修改sleep 问题和udp服务问题

.theos/_/DEBIAN/control

@@ -6,5 +6,5 @@ Author: XYZShell
 Section: Utilities
 Tag: role::developer
 Architecture: iphoneos-arm
-Version: 0.0.7-10-62+debug
-Installed-Size: 1604
+Version: 0.0.7-10-66+debug
+Installed-Size: 1624

.theos/last_package

@@ -1 +1 @@
-./packages/com.xyzshell.ioscontrol_0.0.7-10-62+debug_iphoneos-arm.deb
+./packages/com.xyzshell.ioscontrol_0.0.7-10-66+debug_iphoneos-arm.deb

.theos/packages/com.xyzshell.ioscontrol-0.0.7-10

@@ -1 +1 @@
-62
+66

AppRunMan/server/IPhoneHertbeat.m

@@ -157,7 +157,7 @@
         self.ip = [[XSPhoneInfo sharedInstance] IPAddress];
         self.remoteIp = [[XSPhoneInfo sharedInstance] remoteIp];
         self.diskSize = [[XSPhoneInfo sharedInstance] IPhoneStatus];
-        self.message = @"251103-nt";
+        self.message = @"251106-nt";
         // 构建请求数据
         NSDictionary *heartbeatData = [self constructHeartbeatData];
         if (!heartbeatData) {

AppRunMan/server/IosSystemCmd.m

@@ -11,7 +11,6 @@
 #import "XSPhoneInfo.h"
 #import "XSHelper.h"
 #import "XSHackIos.h"
-#import "MyScriptTask.h"
 #import "MyEventBus.h"
 #import "XSHttpHelper.h"
 #import "MyAdTask2.h"

AppRunMan/server/MyAdTask2.m

@@ -1,10 +1,3 @@
-//
-//  MyAdTask2.m
-//  nochange
-//
-//  Created by mac on 2024/11/6.
-//
-
 #include "XUDPServer.h"
 #import <Foundation/Foundation.h>
 #import "IPhoneHertbeat.h"
@@ -16,16 +9,13 @@
 #import "MyAdTask2.h"
 #import "MyEventBus.h"
 
-
 BOOL myadTaskManualStop = NO;
 
-
 @interface MyAdTask2Mangger()
 {
 @private
     BOOL running;
-    // NSTimer *timer;
-    dispatch_source_t _timer;  // 使用GCD timer替代NSTimer
+    dispatch_source_t _timer;
     NSDate *lastRun;
     NSDate *lastGetCountry;
     NSString *_lastIdfa;
@@ -39,7 +29,6 @@ BOOL myadTaskManualStop = NO;
     NSString *dataId;
     NSString *remoteIp;
     NSString *country;
-
 }
 
 @end
@@ -49,11 +38,12 @@ BOOL myadTaskManualStop = NO;
 +(instancetype)sharedInstance {
     static MyAdTask2Mangger* _sharedInstance = nil;
     static dispatch_once_t oncePredicate;
-    dispatch_once (&oncePredicate, ^{
+    dispatch_once(&oncePredicate, ^{
         _sharedInstance = [[MyAdTask2Mangger alloc] init];
     });
     return _sharedInstance;
 }
+
 -(instancetype)init {
     if (self = [super init]) {
         self->running = NO;
@@ -70,7 +60,7 @@ BOOL myadTaskManualStop = NO;
     return nil;
 }
 
-- (int) onShow: (NSDictionary *)dic {
+- (int)onShow:(NSDictionary *)dic {
     if(dic == nil || [dic isEqual:[NSNull null]] || [dic count] <= 0) {
         return 4000;
     }
@@ -80,35 +70,13 @@ BOOL myadTaskManualStop = NO;
     NSNumber *t_ecpm = [self getNum:@"ecpm" dic:dic];
     BOOL ad = dic[@"ad"];
     NSString *iphoneId = [[XSPhoneConfig sharedInstance] IPhoneName];
-    // NSString *ipAddr = [[XSPhoneInfo sharedInstance] IPAddress];
     
-    /*
-    saveAdTaskLog(@{
-        @"title": @"广告展示",
-        @"message": [XSHelper dic2Json:dic],
-        @"level": @(1),
-        @"appid": t_appid,
-        @"idfa":t_idfa,
-        @"adid": t_adId,
-        @"ecpm": [NSString stringWithFormat:@"%@", t_ecpm],
-        @"taskId": self->taskId,
-        @"iphoneId":iphoneId,
-        @"ipAddr":ipAddr
-        
-    });
-     */
-    
-    /* --
-     if (self->current > -1 && self->current < (NSInteger)self->tasks.count) {
-     cur = self->tasks[self->current];
-     }
-     */
     if(!ad) {
         NSLog(@"XS- no ad show");
         return 0;
     }
     int close = 4000;
-    //--new
+    
     AdLoadInfo adloadInfo = getAdLoadInfo(@{
         @"idfa": t_idfa ?: @"",
         @"adId": t_adId ?: @"",
@@ -117,11 +85,6 @@ BOOL myadTaskManualStop = NO;
         @"deviceId":iphoneId ?: @""
     });
     
-    // cur.loads = adloadInfo.loads;
-    //cur.adTouchBeforeMs = adloadInfo.adTouchBeforeMs;
-    // cur.adTime= adloadInfo.adTime;
-    
-    
     close = [adloadInfo.adTime intValue];
     int before = [adloadInfo.adTouchBeforeMs intValue];
     if (before >= close) {
@@ -134,19 +97,24 @@ BOOL myadTaskManualStop = NO;
         self->adAfter = 1000;
     }
     
-    NSInteger random1 = arc4random_uniform(101); // 0-100
+    NSInteger random1 = arc4random_uniform(101);
     NSInteger tr = [adloadInfo.touchRate intValue];
     if (tr > random1) {
-        [self touchAppTask: before / 1000];
+        double beforeSec = before / 1000.0;
+        __weak typeof(self) weakSelf = self;
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(beforeSec * NSEC_PER_SEC)), 
+                       self.manQueue, ^{
+            [weakSelf touchAppTask:0];
+        });
     }
     return close;
 }
 
-- (void) showStatus: (NSString *)data {
+- (void)showStatus:(NSString *)data {
     [[MyEventBus sharedInstance] postEvent:@"UpdateStatus" withObject:data];
 }
 
-- (void) setRemoteInfo  {
+- (void)setRemoteInfo {
     NSString *url = @"https://ipapi.co/json/";
     XSHttpHelper *http = [[XSHttpHelper alloc] init];
     __weak typeof(self) weakSelf = self;
@@ -164,8 +132,10 @@ BOOL myadTaskManualStop = NO;
         }
         NSString *isoCode = dic[@"country_code"];
         NSString *ip = dic[@"ip"];
-        // callback(ip, isoCode);
+        
         __strong typeof(weakSelf) strongSelf = weakSelf;
+        if (!strongSelf) return;
+        
         strongSelf->remoteIp = [ip copy];
         strongSelf->country = [isoCode copy];
         [XSPhoneInfo sharedInstance].remoteIp = [NSString stringWithFormat:@"%@:%@", isoCode, ip];
@@ -176,8 +146,8 @@ BOOL myadTaskManualStop = NO;
     }];
 }
 
-- (void) setRemoteInfo1 {
-    NSString *url =  [[XSPhoneConfig sharedInstance] GetRemoteIPURL];
+- (void)setRemoteInfo1 {
+    NSString *url = [[XSPhoneConfig sharedInstance] GetRemoteIPURL];
     [self showStatus:url];
     if (!url) {
         NSLog(@"!setRemoteInfo url");
@@ -207,9 +177,11 @@ BOOL myadTaskManualStop = NO;
         NSString *isoCode = _data[@"isoCode"];
         NSString *ip = _data[@"ip"];
         NSLog(@"setRemoteInfo:%@", _data);
-        __strong typeof(weakSelf) strongSelf = weakSelf;
-        strongSelf->remoteIp = [ip copy];
         
+        __strong typeof(weakSelf) strongSelf = weakSelf;
+        if (!strongSelf) return;
+        
+        strongSelf->remoteIp = [ip copy];
         strongSelf->country = [isoCode copy];
         [XSPhoneInfo sharedInstance].remoteIp = [NSString stringWithFormat:@"%@:%@", isoCode, ip];
         [weakSelf showStatus:[XSPhoneInfo sharedInstance].remoteIp];
@@ -217,13 +189,9 @@ BOOL myadTaskManualStop = NO;
         NSLog(@"!setRemoteInfo err:%@",err);
         [weakSelf showStatus:[NSString stringWithFormat:@"%@", err.description]];
     }];
-    
-   
-    
 }
 
-
-- (BOOL) onEnd: (NSDictionary *)dic {
+- (BOOL)onEnd:(NSDictionary *)dic {
     NSNumber *maxEcpm = dic[@"max_ecpm"];
     int sec = self->adAfter / 1000;
     __weak typeof(self) weakSelf = self;
@@ -244,11 +212,10 @@ BOOL myadTaskManualStop = NO;
             [weakSelf startApp];
         }
     });
-
     return NO;
 }
 
-- (void) startApp {
+- (void)startApp {
     @autoreleasepool {
         if(!self->running){
             return;
@@ -266,32 +233,24 @@ BOOL myadTaskManualStop = NO;
             }
         }
         
-        /*
-        if(![@"US" isEqual:self->country]) {
-            [self showStatus:[NSString stringWithFormat:@"%@:%@, Not US", self->country, self->remoteIp]];
-            return;
-        }
-         */
         __weak typeof(self) weakSelf = self;
         getChangeInfo(self->_lastIdfa, ^(NSDictionary *dic) {
             dispatch_async(weakSelf.manQueue, ^{
-                // 耗时操作
-                [weakSelf onChangeInfo: dic];
+                [weakSelf onChangeInfo:dic];
             });
-            
         }, ^(NSError *err) {
             NSLog(@"XS- startTask NSError is null, %@", err);
         });
     }
 }
 
-- (void) start {
+- (void)start {
     self->running = YES;
     myadTaskManualStop = NO;
-    [[IPhoneHertbeat sharedInstance] setStatus: @"运行中"];
+    [[IPhoneHertbeat sharedInstance] setStatus:@"运行中"];
     [self startApp];
     __weak typeof(self) weakSelf = self;
-    // 使用 dispatch_source 创建timer
+    
     if (!_timer) {
         _timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, self.manQueue);
         dispatch_source_set_timer(_timer, dispatch_time(DISPATCH_TIME_NOW, 0), 10 * NSEC_PER_SEC, 1 * NSEC_PER_SEC);
@@ -305,7 +264,7 @@ BOOL myadTaskManualStop = NO;
     [[MyEventBus sharedInstance] postEvent:@"UpdateRunStatus" withObject:@(YES)];
 }
 
-- (void) proc {
+- (void)proc {
     if (!self->running) {
         return;
     }
@@ -315,19 +274,23 @@ BOOL myadTaskManualStop = NO;
     NSTimeInterval elapsed = [curRunTime timeIntervalSinceDate:self->lastRun];
     
     if (elapsed >= 30) {
-        //[self onStop];
         [self start];
-        
     } else {
-        NSString* appId = [ self frontMostAppId];
+        NSString* appId = [self frontMostAppId];
         
-        if (![appId isEqual: self->taskAppId]) {
+        if (![appId isEqual:self->taskAppId]) {
             [self appKill:appId];
-            sleep(1);
-            [self appRun:self->taskAppId];
+            
+            // ⭐️ 修复: 先转为strong再使用
+            __weak typeof(self) weakSelf = self;
+            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1 * NSEC_PER_SEC), self.manQueue, ^{
+                __strong typeof(weakSelf) strongSelf = weakSelf;
+                if (!strongSelf) return;
+                
+                [strongSelf appRun:strongSelf->taskAppId];
+            });
         }
     }
-    
 }
 
 - (NSString *)toggle {
@@ -339,7 +302,7 @@ BOOL myadTaskManualStop = NO;
     return [IPhoneHertbeat sharedInstance].status;
 }
 
-- (void) stop {
+- (void)stop {
     myadTaskManualStop = YES;
     self->running = NO;
     [IPhoneHertbeat sharedInstance].status = @"已停止";
@@ -350,14 +313,12 @@ BOOL myadTaskManualStop = NO;
     [[MyEventBus sharedInstance] postEvent:@"UpdateRunStatus" withObject:@(NO)];
 }
 
-
-- (void) onChangeInfo: (NSDictionary *)dic {
-    NSString* t_idfa = [self getStr: @"idfa" dic:dic];
+- (void)onChangeInfo:(NSDictionary *)dic {
+    NSString* t_idfa = [self getStr:@"idfa" dic:dic];
     if (![XSHelper strIsEmpty:t_idfa]) {
         self->_lastIdfa = [t_idfa copy];
     } else {
         NSLog(@"XS- startTask t_idfa is null");
-       
         return;
     }
     
@@ -370,13 +331,11 @@ BOOL myadTaskManualStop = NO;
         self->dataId = [_dataId copy];
     }
     
-    
     NSString* t_taskId = [self getStr:@"id" dic:dic];
     if (![XSHelper strIsEmpty:t_taskId]) {
         self->taskId = [t_taskId copy];
     } else {
         NSLog(@"XS- startTask t_taskId is null");
-        
         return;
     }
     NSString* t_taskAppId = [self getStr:@"appId" dic:dic];
@@ -385,7 +344,6 @@ BOOL myadTaskManualStop = NO;
         [IPhoneHertbeat sharedInstance].appId = self->taskAppId;
     } else {
         NSLog(@"XS- startTask t_taskAppId is null");
-        
         return;
     }
     
@@ -394,7 +352,6 @@ BOOL myadTaskManualStop = NO;
         
     } else {
         NSLog(@"XS- startTask workerInfo is null");
-       
         return;
     }
     
@@ -403,29 +360,39 @@ BOOL myadTaskManualStop = NO;
         self->workType = t_workType;
     } else {
         NSLog(@"XS- startTask workType is null");
-       
     }
+    
+    __weak typeof(self) weakSelf = self;
     [self restart:^{
+        __strong typeof(weakSelf) strongSelf = weakSelf;
+        if (!strongSelf) return;
+        
         saveChangeDataFile(dic);
-        self->running = YES;
-        sleep(1);
-        [self appRun:self->taskAppId];
+        strongSelf->running = YES;
+        
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1 * NSEC_PER_SEC), 
+                       strongSelf.manQueue, ^{
+            __strong typeof(weakSelf) strongSelf2 = weakSelf;
+            if (!strongSelf2) return;
+            
+            [strongSelf2 appRun:strongSelf2->taskAppId];
+        });
     }];
-    //sleep(1);
 }
 
-
-- (void) appKill: (NSString*) app {
+- (void)appKill:(NSString*)app {
     NSLog(@"XS- appKill");
     XSKillAppByName(app);
 }
-- (void) unlock {
+
+- (void)unlock {
     NSLog(@"XS- unlock");
     dispatch_async(dispatch_get_main_queue(), ^{
         XSRemoteUnlock();
     });
 }
-- (void) resetApp: (NSString*) appId callback:(OnEndCallback) callback {
+
+- (void)resetApp:(NSString*)appId callback:(OnEndCallback)callback {
     NSLog(@"XS- JSApi resetApp");
     NSString *appInfoPath = XSGetAppInfoPath(appId);
     NSDictionary *appInfo = XSGetAppInfo(appInfoPath);
@@ -443,19 +410,21 @@ BOOL myadTaskManualStop = NO;
     __weak typeof(self) weakSelf = self;
     getLowEcpm(^(NSNumber *lowEcpm) {
         __strong typeof(weakSelf) strongSelf = weakSelf;
+        if (!strongSelf) return;
+        
         BOOL washParam = strongSelf->workType == 0 ? YES : NO;
         [tempBfaceDictKey setValue:@(washParam) forKey:@"washParam"];
         [tempBfaceDictKey setValue:lowEcpm forKey:@"adbrush_ecpm"];
         if(strongSelf->linkId) {
             [tempBfaceDictKey setValue:strongSelf->linkId forKey:@"linkId"];
-        }  else {
+        } else {
             NSString *linkId = [[NSUUID UUID] UUIDString];
             [tempBfaceDictKey setValue:linkId forKey:@"linkId"];
         }
         
         if(strongSelf->dataId) {
             [tempBfaceDictKey setValue:strongSelf->dataId forKey:@"dataId"];
-        }  else {
+        } else {
             NSString *dataId = @"0";
             [tempBfaceDictKey setValue:dataId forKey:@"dataId"];
         }
@@ -475,10 +444,12 @@ BOOL myadTaskManualStop = NO;
         callback();
     });
 }
-- (NSString *) frontMostAppId {
+
+- (NSString *)frontMostAppId {
     return XSFrontMostAppId();
 }
-- (void) appRun:(NSString *)appId {
+
+- (void)appRun:(NSString *)appId {
     if ([XSHelper strIsEmpty:appId]) return;
     
     dispatch_async(dispatch_get_main_queue(), ^{
@@ -490,22 +461,27 @@ BOOL myadTaskManualStop = NO;
     });
 }
 
-- (void) tap: (int) i x:(int)x y:(int)y {
+- (void)tap:(int)i x:(int)x y:(int)y {
 }
 
-- (void) restart: (OnEndCallback) callback {
+- (void)restart:(OnEndCallback)callback {
     __weak typeof(self) weakSelf = self;
     dispatch_async(self.manQueue, ^{
         @try {
             __strong typeof(weakSelf) strongSelf = weakSelf;
+            if (!strongSelf) return;
+            
             [weakSelf appKill:@"com.apple.AppStore"];
             [weakSelf appKill:@"com.apple.mobilesafari"];
             if (strongSelf->taskAppId && ![strongSelf->taskAppId isEqual:[NSNull null]] && [strongSelf->taskAppId length] > 0) {
                 [weakSelf appKill:strongSelf->taskAppId];
                 [weakSelf unlock];
-                sleep(1);
-                [weakSelf unlock];
-                [weakSelf resetApp:strongSelf->taskAppId callback:callback];
+                
+                dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1 * NSEC_PER_SEC), 
+                               strongSelf.manQueue, ^{
+                    [weakSelf unlock];
+                    [weakSelf resetApp:strongSelf->taskAppId callback:callback];
+                });
             }
         } @catch (NSException *exception) {
             NSLog(@"Error in restart: %@", exception);
@@ -513,44 +489,73 @@ BOOL myadTaskManualStop = NO;
     });
 }
 
-
-- (void) rndTouchApp {
+- (void)rndTouchApp {
     int times = [XSHelper random:2 and:4];
-    for (int i = 1; i <= times; i++) {
-        int x = [XSHelper random:40 and:screen_w - 20];
-        int y = [XSHelper random:50 and:screen_h - 240];
-        NSString* appId = [self frontMostAppId];
-        if ([appId isEqual:self->taskAppId]) {
-            [self tap:1 x:x y:y];
-            usleep(2000);
-        } else {
-            break;
-        }
-    }
-
+    [self _rndTouchAppRecursive:0 totalTimes:times];
 }
 
-- (void) touchAppTask: (int) beforeTouch {
-    if (beforeTouch > 0) {
-        sleep(beforeTouch);
+- (void)_rndTouchAppRecursive:(int)currentIndex totalTimes:(int)times {
+    if (currentIndex >= times) {
+        return;
     }
-    [self rndTouchApp];
-    sleep(2);
     
     int x = [XSHelper random:40 and:screen_w - 20];
     int y = [XSHelper random:50 and:screen_h - 240];
-    [self tap:1 x:x y:y];
+    NSString* appId = [self frontMostAppId];
     
-    NSString* appId = [ self frontMostAppId];
+    if ([appId isEqual:self->taskAppId]) {
+        [self tap:1 x:x y:y];
         
-    if (![appId isEqual: self->taskAppId]) {
-        // [self appKill:appId];
-        sleep(1);
+        __weak typeof(self) weakSelf = self;
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.002 * NSEC_PER_SEC)), 
+                       self.manQueue, ^{
+            [weakSelf _rndTouchAppRecursive:currentIndex + 1 totalTimes:times];
+        });
     }
-    
-    [self appRun:self->taskAppId];
 }
-- (NSString*) getStr: (NSString *) key dic: (NSDictionary*) dic {
+
+- (void)touchAppTask:(int)beforeTouch {
+    __weak typeof(self) weakSelf = self;
+    
+    double delaySec = beforeTouch;
+    
+    void (^touchBlock)(void) = ^{
+        [weakSelf rndTouchApp];
+        
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 2 * NSEC_PER_SEC), 
+                       weakSelf.manQueue, ^{
+            __strong typeof(weakSelf) strongSelf = weakSelf;
+            if (!strongSelf) return;
+            
+            int x = [XSHelper random:40 and:strongSelf->screen_w - 20];
+            int y = [XSHelper random:50 and:strongSelf->screen_h - 240];
+            [strongSelf tap:1 x:x y:y];
+            
+            NSString* appId = [strongSelf frontMostAppId];
+            
+            if (![appId isEqual:strongSelf->taskAppId]) {
+                dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1 * NSEC_PER_SEC), 
+                               strongSelf.manQueue, ^{
+                    __strong typeof(weakSelf) strongSelf2 = weakSelf;
+                    if (!strongSelf2) return;
+                    
+                    [strongSelf2 appRun:strongSelf2->taskAppId];
+                });
+            } else {
+                [strongSelf appRun:strongSelf->taskAppId];
+            }
+        });
+    };
+    
+    if (delaySec > 0) {
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delaySec * NSEC_PER_SEC)), 
+                       self.manQueue, touchBlock);
+    } else {
+        touchBlock();
+    }
+}
+
+- (NSString*)getStr:(NSString *)key dic:(NSDictionary*)dic {
     NSLog(@"getStr: %@", key);
     id t_idfa = dic[key];
     if (t_idfa && ![t_idfa isEqual:[NSNull null]] && ![t_idfa isEqual:@""]) {
@@ -560,29 +565,29 @@ BOOL myadTaskManualStop = NO;
         return @"";
     }
 }
-- (NSNumber*) getNum: (NSString *) key dic: (NSDictionary*) dic {
+
+- (NSNumber*)getNum:(NSString *)key dic:(NSDictionary*)dic {
     NSLog(@"getNum: %@", key);
     id t_idfa = dic[key];
-    NSString *ecpm_str = [NSString stringWithFormat:@"%@" , t_idfa];
+    NSString *ecpm_str = [NSString stringWithFormat:@"%@", t_idfa];
     
     NSNumber *ecpm = @0.0;
     
     if (ecpm_str && ![ecpm_str isEqual:[NSNull null]] && ![ecpm_str isEqual:@""]) {
-        ecpm = [XSHelper str2num: ecpm_str];
+        ecpm = [XSHelper str2num:ecpm_str];
     }
     return ecpm;
-   
 }
 
-- (int) getInt: (NSString *) key dic: (NSDictionary*) dic {
+- (int)getInt:(NSString *)key dic:(NSDictionary*)dic {
     NSLog(@"getInt: %@", key);
     id t_idfa = dic[key];
-    NSString *ecpm_str = [NSString stringWithFormat:@"%@" , t_idfa];
+    NSString *ecpm_str = [NSString stringWithFormat:@"%@", t_idfa];
     
     NSNumber *ecpm = @(-99);
     
     if (ecpm_str && ![ecpm_str isEqual:[NSNull null]] && ![ecpm_str isEqual:@""]) {
-        ecpm = [XSHelper str2num: ecpm_str];
+        ecpm = [XSHelper str2num:ecpm_str];
     }
     return [ecpm intValue];
 }
@@ -592,4 +597,3 @@ BOOL myadTaskManualStop = NO;
 }
 
 @end
-

AppRunMan/server/XUDPServer.m

@@ -9,16 +9,18 @@
 #define FALLBACK_PORT_START 6001
 #define FALLBACK_PORT_END 7000
 #define PORT 6001
-#define SEND_TIMEOUT 5.0  // 发送超时时间
+#define SEND_TIMEOUT 5.0
 
 @interface XUDPServer() {
 @private 
     GCDAsyncUdpSocket *serverSocket;
     dispatch_queue_t serverQueue;
     dispatch_source_t restartTimer;
+    dispatch_source_t healthCheckTimer;  // ⭐️ 改用dispatch_source
     NSUInteger restartAttempts;
     uint16_t currentPort;
-    NSTimer *healthCheckTimer;
+    BOOL isStarting;
+    BOOL isStopping;
 }
 
 @property (nonatomic, strong) NSMutableDictionary<NSNumber *, NSDictionary *> *pendingSends;
@@ -34,24 +36,28 @@
     static XUDPServer* _sharedInstance = nil;
     static dispatch_once_t oncePredicate;
     dispatch_once(&oncePredicate, ^{
-        _sharedInstance = [[XUDPServer alloc] init];
+        _sharedInstance = [[super allocWithZone:NULL] init];
     });
     return _sharedInstance;
 }
 
++ (instancetype)allocWithZone:(struct _NSZone *)zone {
+    return [XUDPServer sharedInstance];
+}
+
 - (instancetype)init {
-    if (self = [super init]) {
+    self = [super init];
+    if (self) {
         restartAttempts = 0;
         currentPort = PORT;
         _currentTag = 0;
+        isStarting = NO;
+        isStopping = NO;
         _pendingSends = [NSMutableDictionary dictionary];
         
-        // 创建串行队列，避免并发问题
         serverQueue = dispatch_queue_create("com.xudpserver.queue", DISPATCH_QUEUE_SERIAL);
-        
-        return self;
     }
-    return nil;
+    return self;
 }
 
 - (void)start {
@@ -61,42 +67,71 @@
 }
 
 - (uint16_t)udp_port {
-    return currentPort;
+    __block uint16_t port = 0;
+    // ⭐️ 避免死锁,使用异步读取
+    if (dispatch_get_specific((__bridge const void *)serverQueue)) {
+        // 已在serverQueue中
+        port = currentPort;
+    } else {
+        dispatch_sync(serverQueue, ^{
+            port = self->currentPort;
+        });
+    }
+    return port;
 }
 
 - (void)_startInternal {
-    NSLog(@"XS- Starting UDP server on port %d", currentPort);
+    if (isStarting) {
+        NSLog(@"⚠️ Server is already starting");
+        return;
+    }
     
-    // 避免重复创建
     if (serverSocket && !serverSocket.isClosed) {
         NSLog(@"⚠️ UDP server already running on port %d", currentPort);
         return;
     }
     
-    [self _stopInternal];
+    isStarting = YES;
     
+    NSLog(@"XS- Starting UDP server on port %d (PID: %d)", currentPort, getpid());
+    
+    [self _forceCloseSocket];
+    
+    // ⭐️ 使用dispatch_after代替usleep,避免阻塞队列
+    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), 
+                   serverQueue, ^{
+        [self _startInternalContinue];
+    });
+}
+
+- (void)_startInternalContinue {
     serverSocket = [[GCDAsyncUdpSocket alloc] initWithDelegate:self 
                                                  delegateQueue:serverQueue];
     
     NSError *error = nil;
     
-    // ⭐️ 启用端口重用
+    // ⭐️ 只使用IPv4
+    [serverSocket setIPv4Enabled:YES];
+    [serverSocket setIPv6Enabled:NO];
+    
     if (![serverSocket enableReusePort:YES error:&error]) {
         NSLog(@"❌ Error enabling reuse port: %@", error);
     }
     
-    // ⭐️ 设置所有必要的socket选项
-    [self _configureSocketOptions];
-    
-    // 尝试绑定到指定端口
     if (![serverSocket bindToPort:currentPort error:&error]) {
         NSLog(@"❌ Error binding to port %d: %@", currentPort, error);
         
-        [serverSocket close];
-        serverSocket = nil;
+        [self _forceCloseSocket];
+        isStarting = NO;
         
         if (error.code == 48) { // EADDRINUSE
-            NSLog(@"⚠️ Port %d is in use (possibly TIME_WAIT)", currentPort);
+            NSLog(@"⚠️ Port %d is in use", currentPort);
+            
+            // ⭐️ 异步清理,避免阻塞
+            dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0), ^{
+                [self _cleanupZombieSockets];
+            });
+            
             [self _tryFallbackPorts];
             return;
         }
@@ -105,75 +140,137 @@
         return;
     }
     
+    [self _configureSocketOptions];
+    
     if (![serverSocket beginReceiving:&error]) {
         NSLog(@"❌ Error starting server (recv): %@", error);
         
-        [serverSocket close];
-        serverSocket = nil;
+        [self _forceCloseSocket];
+        isStarting = NO;
         
         [self _scheduleRestartWithBackoff];
         return;
     }
     
+    isStarting = NO;
     restartAttempts = 0;
+    
+    [self _logSocketInfo];
+    
     NSLog(@"✅ UDP server started successfully on port %d", currentPort);
     
-    // ⭐️ 启动健康检查
     [self _startHealthCheck];
 }
 
-// ⭐️ 配置所有socket选项
+- (void)_forceCloseSocket {
+    if (serverSocket) {
+        int fd = [serverSocket socketFD];
+        
+        if (fd != -1) {
+            // ⭐️ 非阻塞方式关闭
+            fcntl(fd, F_SETFL, fcntl(fd, F_GETFL, 0) | O_NONBLOCK);
+            
+            struct linger lingerOption = {1, 0};
+            setsockopt(fd, SOL_SOCKET, SO_LINGER, &lingerOption, sizeof(lingerOption));
+            
+            // ⭐️ shutdown可能阻塞,使用dispatch_async
+            int fdCopy = fd;
+            dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0), ^{
+                shutdown(fdCopy, SHUT_RDWR);
+            });
+        }
+        
+        [serverSocket close];
+        serverSocket = nil;
+        
+        NSLog(@"🔒 Socket closed (fd: %d)", fd);
+    }
+}
+
+- (void)_cleanupZombieSockets {
+    NSLog(@"🧹 Cleaning up zombie sockets on port %d", currentPort);
+    
+    int testSocket = socket(AF_INET, SOCK_DGRAM, 0);
+    if (testSocket < 0) {
+        return;
+    }
+    
+    // ⭐️ 设置非阻塞
+    fcntl(testSocket, F_SETFL, fcntl(testSocket, F_GETFL, 0) | O_NONBLOCK);
+    
+    int reuseAddr = 1;
+    setsockopt(testSocket, SOL_SOCKET, SO_REUSEADDR, &reuseAddr, sizeof(reuseAddr));
+    
+    struct linger lingerOption = {1, 0};
+    setsockopt(testSocket, SOL_SOCKET, SO_LINGER, &lingerOption, sizeof(lingerOption));
+    
+    struct sockaddr_in addr;
+    memset(&addr, 0, sizeof(addr));
+    addr.sin_family = AF_INET;
+    addr.sin_port = htons(currentPort);
+    addr.sin_addr.s_addr = INADDR_ANY;
+    
+    if (bind(testSocket, (struct sockaddr *)&addr, sizeof(addr)) == 0) {
+        shutdown(testSocket, SHUT_RDWR);
+        NSLog(@"✅ Cleaned up zombie socket on port %d", currentPort);
+    }
+    
+    close(testSocket);
+}
+
+- (void)_logSocketInfo {
+    if (!serverSocket) return;
+    
+    int fd = [serverSocket socketFD];
+    if (fd == -1) return;
+    
+    struct sockaddr_in addr;
+    socklen_t addrLen = sizeof(addr);
+    
+    if (getsockname(fd, (struct sockaddr *)&addr, &addrLen) == 0) {
+        char ipStr[INET_ADDRSTRLEN];
+        inet_ntop(AF_INET, &addr.sin_addr, ipStr, sizeof(ipStr));
+        
+        NSLog(@"📊 Socket - FD: %d, Addr: %s:%d, PID: %d", 
+              fd, ipStr, ntohs(addr.sin_port), getpid());
+    }
+    
+    int recvBuf, sendBuf;
+    socklen_t optLen = sizeof(int);
+    getsockopt(fd, SOL_SOCKET, SO_RCVBUF, &recvBuf, &optLen);
+    getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &sendBuf, &optLen);
+    
+    NSLog(@"📊 Buffers - Recv: %d, Send: %d", recvBuf, sendBuf);
+}
+
 - (void)_configureSocketOptions {
     if (!serverSocket) return;
     
     int fd = [serverSocket socketFD];
-    if (fd == -1) {
-        NSLog(@"⚠️ Invalid socket file descriptor");
-        return;
-    }
+    if (fd == -1) return;
     
-    // 1. 设置 SO_REUSEADDR - 允许快速重启,避免TIME_WAIT问题
+    // SO_REUSEADDR
     int reuseAddr = 1;
-    if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &reuseAddr, sizeof(reuseAddr)) == -1) {
-        NSLog(@"❌ Error setting SO_REUSEADDR: %s", strerror(errno));
-    }
+    setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &reuseAddr, sizeof(reuseAddr));
     
-    // 2. 设置 SO_REUSEPORT - 允许多个socket绑定同一端口(某些系统)
-    int reusePort = 1;
-    if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &reusePort, sizeof(reusePort)) == -1) {
-        NSLog(@"⚠️ SO_REUSEPORT not supported or error: %s", strerror(errno));
-    }
+    // 缓冲区
+    int recvBufferSize = 256 * 1024;
+    setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &recvBufferSize, sizeof(recvBufferSize));
     
-    // 3. ⭐️ 增加接收缓冲区大小,避免缓冲区溢出
-    int recvBufferSize = 256 * 1024; // 256KB
-    if (setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &recvBufferSize, sizeof(recvBufferSize)) == -1) {
-        NSLog(@"⚠️ Failed to set receive buffer size: %s", strerror(errno));
-    } else {
-        // 验证实际设置的大小
-        socklen_t optlen = sizeof(recvBufferSize);
-        getsockopt(fd, SOL_SOCKET, SO_RCVBUF, &recvBufferSize, &optlen);
-        NSLog(@"✅ Receive buffer size set to: %d bytes", recvBufferSize);
-    }
+    int sendBufferSize = 256 * 1024;
+    setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &sendBufferSize, sizeof(sendBufferSize));
     
-    // 4. ⭐️ 增加发送缓冲区大小
-    int sendBufferSize = 256 * 1024; // 256KB
-    if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &sendBufferSize, sizeof(sendBufferSize)) == -1) {
-        NSLog(@"⚠️ Failed to set send buffer size: %s", strerror(errno));
-    } else {
-        socklen_t optlen = sizeof(sendBufferSize);
-        getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &sendBufferSize, &optlen);
-        NSLog(@"✅ Send buffer size set to: %d bytes", sendBufferSize);
-    }
-    
-    // 5. ⭐️ 设置 SO_NOSIGPIPE - 防止写入关闭的socket时产生SIGPIPE信号
+    // SO_NOSIGPIPE
     #ifdef SO_NOSIGPIPE
     int noSigpipe = 1;
-    if (setsockopt(fd, SOL_SOCKET, SO_NOSIGPIPE, &noSigpipe, sizeof(noSigpipe)) == -1) {
-        NSLog(@"⚠️ Failed to set SO_NOSIGPIPE: %s", strerror(errno));
-    }
+    setsockopt(fd, SOL_SOCKET, SO_NOSIGPIPE, &noSigpipe, sizeof(noSigpipe));
     #endif
     
-    // 6. ⭐️ 设置非阻塞模式(GCDAsyncUdpSocket通常已设置,但确保一下)
+    // SO_LINGER
+    struct linger lingerOption = {1, 0};
+    setsockopt(fd, SOL_SOCKET, SO_LINGER, &lingerOption, sizeof(lingerOption));
+    
+    // 非阻塞
     int flags = fcntl(fd, F_GETFL, 0);
     if (flags != -1) {
         fcntl(fd, F_SETFL, flags | O_NONBLOCK);
@@ -187,84 +284,126 @@
 }
 
 - (void)_stopInternal {
+    if (isStopping) {
+        NSLog(@"⚠️ Server is already stopping");
+        return;
+    }
+    
+    isStopping = YES;
+    
     NSLog(@"XS- Stopping UDP server on port %d", currentPort);
     
     [self _cancelRestartTimer];
     [self _stopHealthCheck];
     
-    if (serverSocket) {
-        // ⭐️ 设置SO_LINGER为0,强制立即关闭,避免TIME_WAIT
-        int fd = [serverSocket socketFD];
-        if (fd != -1) {
-            struct linger lingerOption = {1, 0};  // l_onoff=1, l_linger=0
-            if (setsockopt(fd, SOL_SOCKET, SO_LINGER, &lingerOption, sizeof(lingerOption)) == -1) {
-                NSLog(@"⚠️ Failed to set SO_LINGER: %s", strerror(errno));
-            }
-        }
-        
-        if (!serverSocket.isClosed) {
-            [serverSocket close];
-        }
-        
-        serverSocket = nil;
-    }
+    [self _forceCloseSocket];
     
     [_pendingSends removeAllObjects];
+    
+    // ⭐️ 使用dispatch_after代替usleep
+    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), 
+                   serverQueue, ^{
+        self->isStopping = NO;
+        NSLog(@"✅ UDP server stopped");
+    });
 }
 
 #pragma mark - Health Check
 
-// ⭐️ 健康检查
 - (void)_startHealthCheck {
-    dispatch_async(dispatch_get_main_queue(), ^{
-        if (self->healthCheckTimer) {
-            [self->healthCheckTimer invalidate];
-        }
+    // ⭐️ 使用dispatch_source代替NSTimer,避免主线程依赖
+    if (healthCheckTimer) {
+        dispatch_source_cancel(healthCheckTimer);
+        healthCheckTimer = nil;
+    }
     
-        self->healthCheckTimer = [NSTimer scheduledTimerWithTimeInterval:30.0
-                                                                   target:self
-                                                                 selector:@selector(_performHealthCheck)
-                                                                 userInfo:nil
-                                                                  repeats:YES];
+    healthCheckTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, serverQueue);
+    
+    dispatch_source_set_timer(healthCheckTimer, 
+                             dispatch_time(DISPATCH_TIME_NOW, 30 * NSEC_PER_SEC),
+                             30 * NSEC_PER_SEC,
+                             1 * NSEC_PER_SEC);
+    
+    dispatch_source_set_event_handler(healthCheckTimer, ^{
+        [self _performHealthCheck];
     });
+    
+    dispatch_resume(healthCheckTimer);
 }
 
 - (void)_stopHealthCheck {
-    dispatch_async(dispatch_get_main_queue(), ^{
-        if (self->healthCheckTimer) {
-            [self->healthCheckTimer invalidate];
-            self->healthCheckTimer = nil;
-        }
-    });
+    if (healthCheckTimer) {
+        dispatch_source_cancel(healthCheckTimer);
+        healthCheckTimer = nil;
+    }
 }
 
 - (void)_performHealthCheck {
-    dispatch_async(serverQueue, ^{
-        if (!self->serverSocket || self->serverSocket.isClosed) {
-            NSLog(@"⚠️ Health check failed: socket is closed");
-            [self _startInternal];
-            return;
-        }
+    if (isStarting || isStopping) {
+        return;
+    }
     
-        // ⭐️ 检查socket状态
-        int fd = [self->serverSocket socketFD];
-        if (fd == -1) {
-            NSLog(@"⚠️ Health check failed: invalid socket");
-            [self _startInternal];
-            return;
-        }
+    if (!serverSocket || serverSocket.isClosed) {
+        NSLog(@"⚠️ Health check failed: socket is closed");
+        [self _startInternal];
+        return;
+    }
     
-        // ⭐️ 检查端口是否仍然绑定
-        struct sockaddr_in addr;
-        socklen_t addrLen = sizeof(addr);
-        if (getsockname(fd, (struct sockaddr *)&addr, &addrLen) == -1) {
-            NSLog(@"⚠️ Health check failed: socket not bound");
-            [self _startInternal];
-            return;
-        }
+    int fd = [serverSocket socketFD];
+    if (fd == -1) {
+        NSLog(@"⚠️ Health check failed: invalid socket");
+        [self _startInternal];
+        return;
+    }
     
-        NSLog(@"✅ Health check passed for port %d", self->currentPort);
+    struct sockaddr_in addr;
+    socklen_t addrLen = sizeof(addr);
+    if (getsockname(fd, (struct sockaddr *)&addr, &addrLen) == -1) {
+        NSLog(@"⚠️ Health check failed: socket not bound");
+        [self _startInternal];
+        return;
+    }
+    
+    // ⭐️ 异步检查重复socket,避免阻塞
+    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0), ^{
+        [self _checkDuplicateSockets];
     });
+    
+    NSLog(@"✅ Health check passed (Port: %d, FD: %d)", currentPort, fd);
+}
+
+- (void)_checkDuplicateSockets {
+    // ⭐️ 设置超时,防止popen阻塞过久
+    NSString *command = [NSString stringWithFormat:@"timeout 2 lsof -i UDP:%d -n -P 2>/dev/null || echo timeout", currentPort];
+    
+    FILE *pipe = popen([command UTF8String], "r");
+    if (!pipe) {
+        return;
+    }
+    
+    char buffer[256];
+    int count = 0;
+    BOOL timedOut = NO;
+    
+    while (fgets(buffer, sizeof(buffer), pipe) != NULL) {
+        if (strstr(buffer, "timeout") != NULL) {
+            timedOut = YES;
+            break;
+        }
+        count++;
+    }
+    pclose(pipe);
+    
+    if (timedOut) {
+        NSLog(@"⚠️ Socket check timed out");
+        return;
+    }
+    
+    count = MAX(0, count - 1);
+    
+    if (count > 1) {
+        NSLog(@"⚠️ WARNING: Found %d sockets on port %d!", count, currentPort);
+    }
 }
 
 #pragma mark - Restart Logic
@@ -281,17 +420,14 @@
     
     const NSUInteger maxAttempts = 10;
     if (restartAttempts >= maxAttempts) {
-        NSLog(@"❌ Maximum restart attempts (%lu) reached, giving up", 
-              (unsigned long)maxAttempts);
+        NSLog(@"❌ Maximum restart attempts reached");
         return;
     }
     
     restartAttempts++;
-    
     NSTimeInterval delay = MIN(pow(2, restartAttempts - 1), 60.0);
     
-    NSLog(@"⏰ Scheduling restart attempt %lu in %.1f seconds", 
-          (unsigned long)restartAttempts, delay);
+    NSLog(@"⏰ Scheduling restart in %.1f seconds", delay);
     
     restartTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, serverQueue);
     
@@ -308,10 +444,12 @@
 }
 
 - (void)_tryFallbackPorts {
-    NSLog(@"🔍 Searching for available fallback port...");
+    NSLog(@"🔍 Searching for fallback port...");
     
-    for (uint16_t port = FALLBACK_PORT_START; port <= FALLBACK_PORT_END; port++) {
-        // ⭐️ 检查端口是否真的可用
+    // ⭐️ 限制扫描范围,避免卡死
+    uint16_t scanLimit = MIN(FALLBACK_PORT_END, FALLBACK_PORT_START + 100);
+    
+    for (uint16_t port = FALLBACK_PORT_START; port <= scanLimit; port++) {
         if ([self _isPortAvailable:port]) {
             currentPort = port;
             NSLog(@"✅ Found available port: %d", port);
@@ -320,20 +458,23 @@
         }
     }
     
-    NSLog(@"❌ No available fallback ports found in range %d-%d", 
-          FALLBACK_PORT_START, FALLBACK_PORT_END);
+    NSLog(@"❌ No available fallback ports");
     [self _scheduleRestartWithBackoff];
 }
 
-// ⭐️ 检查端口是否可用(改进版)
 - (BOOL)_isPortAvailable:(uint16_t)port {
     int testSocket = socket(AF_INET, SOCK_DGRAM, 0);
     if (testSocket < 0) {
-        NSLog(@"⚠️ Cannot create test socket");
         return NO;
     }
     
-    // 设置SO_REUSEADDR
+    // ⭐️ 设置非阻塞和超时
+    fcntl(testSocket, F_SETFL, fcntl(testSocket, F_GETFL, 0) | O_NONBLOCK);
+    
+    struct timeval timeout = {1, 0}; // 1秒超时
+    setsockopt(testSocket, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout));
+    setsockopt(testSocket, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(timeout));
+    
     int reuseAddr = 1;
     setsockopt(testSocket, SOL_SOCKET, SO_REUSEADDR, &reuseAddr, sizeof(reuseAddr));
     
@@ -346,14 +487,7 @@
     int result = bind(testSocket, (struct sockaddr *)&addr, sizeof(addr));
     close(testSocket);
     
-    if (result == 0) {
-        return YES;
-    } else {
-        if (errno == EADDRINUSE) {
-            NSLog(@"⚠️ Port %d is in use", port);
-        }
-        return NO;
-    }
+    return (result == 0);
 }
 
 - (void)scheduleRestart {
@@ -366,7 +500,7 @@
 #pragma mark - GCDAsyncUdpSocket Delegate
 
 - (void)udpSocket:(GCDAsyncUdpSocket *)sock didConnectToAddress:(NSData *)address {
-    NSLog(@"✅ Connected to client");
+    NSLog(@"✅ Connected");
 }
 
 - (void)udpSocket:(GCDAsyncUdpSocket *)sock 
@@ -374,75 +508,57 @@
       fromAddress:(NSData *)address 
 withFilterContext:(id)filterContext {
     @autoreleasepool {
-        // ⭐️ 检查数据大小,防止超大包
-        if (data.length > 65507) { // UDP最大包大小
-            NSLog(@"⚠️ Received oversized packet: %lu bytes", (unsigned long)data.length);
+        if (data.length > 65507) {
+            NSLog(@"⚠️ Oversized packet: %lu bytes", (unsigned long)data.length);
             return;
         }
         
         NSString *datastr = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
         if (!datastr) {
-            NSLog(@"⚠️ Failed to decode received data (length: %lu)", (unsigned long)data.length);
+            NSLog(@"⚠️ Failed to decode data");
             return;
         }
         
-        NSLog(@"📨 UDP Request from %@: %@", 
-              [self _addressToString:address], 
-              [datastr substringToIndex:MIN(100, datastr.length)]);
-        
-        // ⭐️ 异步处理请求,避免阻塞接收
+        // ⭐️ 异步处理,避免阻塞接收
         dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
-            UDPHandler *handle = [UDPHandler sharedInstance];
-            NSString *res = [handle handle:datastr];
+            @autoreleasepool {
+                UDPHandler *handle = [UDPHandler sharedInstance];
+                NSString *res = [handle handle:datastr];
                 
-            if (res) {
-                [self _sendResponse:res toAddress:address fromSocket:sock];
+                if (res) {
+                    [self _sendResponse:res toAddress:address fromSocket:sock];
+                }
             }
         });
     }
 }
 
-// ⭐️ 发送响应(带超时和重试逻辑)
 - (void)_sendResponse:(NSString *)response 
             toAddress:(NSData *)address 
            fromSocket:(GCDAsyncUdpSocket *)sock {
     dispatch_async(serverQueue, ^{
         if (!sock || sock.isClosed) {
-            NSLog(@"⚠️ Cannot send response: socket is closed");
             return;
         }
         
         NSData *responseData = [response dataUsingEncoding:NSUTF8StringEncoding];
-        if (!responseData) {
-            NSLog(@"⚠️ Failed to encode response");
-            return;
-        }
-        
-        // ⭐️ 检查响应大小
-        if (responseData.length > 65507) {
-            NSLog(@"⚠️ Response too large: %lu bytes (max 65507)", 
-                  (unsigned long)responseData.length);
+        if (!responseData || responseData.length > 65507) {
             return;
         }
         
         long tag = ++self->_currentTag;
         
-        // 保存待发送数据
         self->_pendingSends[@(tag)] = @{
             @"response": response,
             @"address": address,
             @"timestamp": @([[NSDate date] timeIntervalSince1970])
         };
         
-        NSLog(@"📤 Sending response (tag: %ld, size: %lu bytes)", 
-              tag, (unsigned long)responseData.length);
-        
         [sock sendData:responseData 
              toAddress:address 
            withTimeout:SEND_TIMEOUT 
                    tag:tag];
         
-        // ⭐️ 设置超时检查
         dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)((SEND_TIMEOUT + 1.0) * NSEC_PER_SEC)), 
                        self->serverQueue, ^{
             [self _checkSendTimeout:tag];
@@ -450,14 +566,9 @@ withFilterContext:(id)filterContext {
     });
 }
 
-// ⭐️ 检查发送超时
 - (void)_checkSendTimeout:(long)tag {
     NSDictionary *pendingData = _pendingSends[@(tag)];
     if (pendingData) {
-        NSTimeInterval timestamp = [pendingData[@"timestamp"] doubleValue];
-        NSTimeInterval elapsed = [[NSDate date] timeIntervalSince1970] - timestamp;
-        
-        NSLog(@"⏱️ Send timeout for tag %ld (elapsed: %.1fs)", tag, elapsed);
         [_pendingSends removeObjectForKey:@(tag)];
     }
 }
@@ -467,47 +578,36 @@ withFilterContext:(id)filterContext {
 }
 
 - (void)udpSocket:(GCDAsyncUdpSocket *)sock didSendDataWithTag:(long)tag {
-    NSLog(@"✅ Data sent successfully (tag: %ld)", tag);
     [_pendingSends removeObjectForKey:@(tag)];
 }
 
 - (void)udpSocket:(GCDAsyncUdpSocket *)sock 
 didNotSendDataWithTag:(long)tag 
        dueToError:(NSError *)error {
-    NSLog(@"❌ Failed to send data (tag: %ld): %@", tag, error);
-    
     [_pendingSends removeObjectForKey:@(tag)];
     
-    // ⭐️ 处理各种发送错误
-    if (error.code == 55) { // ENOBUFS
-        NSLog(@"⚠️ Buffer full (ENOBUFS) - system may be overloaded");
-    } else if (error.code == 57) { // ENOTCONN
-        NSLog(@"⚠️ Socket disconnected (ENOTCONN)");
+    if (error.code == 57) { // ENOTCONN
         [self _startInternal];
-    } else if (error.code == 64) { // EHOSTDOWN
-        NSLog(@"⚠️ Host is down (EHOSTDOWN)");
-    } else if (error.code == 65) { // EHOSTUNREACH
-        NSLog(@"⚠️ Host unreachable (EHOSTUNREACH)");
     }
 }
 
 - (void)udpSocketDidClose:(GCDAsyncUdpSocket *)sock withError:(NSError *)error {
-    NSLog(@"⚠️ Socket closed. Error: %@", error);
+    NSLog(@"⚠️ Socket closed: %@", error);
     
     if (sock == serverSocket) {
         serverSocket = nil;
     }
     
-    if (error) {
-        NSLog(@"❌ Unexpected closure, scheduling restart");
+    if (error && !isStopping) {
         [self scheduleRestart];
     }
 }
 
-#pragma mark - Utility Methods
-
-// ⭐️ 将地址转换为可读字符串
 - (NSString *)_addressToString:(NSData *)addressData {
+    if (addressData.length < sizeof(struct sockaddr_in)) {
+        return @"unknown";
+    }
+    
     struct sockaddr_in *addr = (struct sockaddr_in *)addressData.bytes;
     char ipStr[INET_ADDRSTRLEN];
     inet_ntop(AF_INET, &addr->sin_addr, ipStr, sizeof(ipStr));

ips.txt

@@ -1,3 +1 @@
-172.28.4.29
-172.28.7.13
-172.28.7.22
+172.28.1.12