diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index a95a0ad..a25b871 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -40,7 +40,6 @@ android {
         versionName = "1.0.6"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
-
         setProperty("archivesBaseName", "${getAppNameFromStringsFile()}-$versionName($versionCode)-${timestamp}")
     }
 
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index ba09a0d..a82bd3c 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -32,13 +32,6 @@
 -dontwarn com.yalantis.ucrop**
 -keep class com.yalantis.ucrop** { *; }
 -keep interface com.yalantis.ucrop** { *; }
-# 禁用 JPXDecode（JPEG2000），避免调用 JP2Decoder
--assumenosideeffects class com.tom_roush.pdfbox.filter.JPXFilter {
-    *;
-}
-# 防止缺少 gemalto 的 JP2Decoder 报错
--dontwarn com.gemalto.jp2.**
--dontwarn com.tom_roush.pdfbox.filter.JPXFilter
 
 # 保留所有 Parcelable 类
 -keep class * implements android.os.Parcelable { *; }
@@ -47,3 +40,14 @@
     public static final android.os.Parcelable$Creator *;
 }
 
+# ===== PDFBox 全保留 =====
+-keep class com.tom_roush.pdfbox.** { *; }
+
+# 防止缺少 gemalto 的 JP2Decoder 报错
+-dontwarn com.tom_roush.pdfbox.filter.JPXFilter
+-dontwarn com.gemalto.jp2.**
+
+# ===== 属性 =====
+-keepattributes *Annotation*
+-keepattributes Signature
+-keepattributes InnerClasses
diff --git a/app/src/main/java/com/all/pdfreader/pdf/reader/ui/act/PdfToImageActivity.kt b/app/src/main/java/com/all/pdfreader/pdf/reader/ui/act/PdfToImageActivity.kt
index f36f864..d48c0a5 100644
--- a/app/src/main/java/com/all/pdfreader/pdf/reader/ui/act/PdfToImageActivity.kt
+++ b/app/src/main/java/com/all/pdfreader/pdf/reader/ui/act/PdfToImageActivity.kt
@@ -166,13 +166,6 @@ class PdfToImageActivity : BaseActivity() {
                 inputFile = file,
                 password = password,
                 onError = { e ->
-                    runOnUiThread {
-                        ToastUtils.show(
-                            this@PdfToImageActivity,
-                            getString(R.string.file_not_pdf_or_corrupted)
-                        )
-                        finish()
-                    }
                 }
             ).collect { pageItem ->
 
diff --git a/app/src/main/java/com/all/pdfreader/pdf/reader/ui/act/SplitPdfActivity.kt b/app/src/main/java/com/all/pdfreader/pdf/reader/ui/act/SplitPdfActivity.kt
index 518a523..ac8a627 100644
--- a/app/src/main/java/com/all/pdfreader/pdf/reader/ui/act/SplitPdfActivity.kt
+++ b/app/src/main/java/com/all/pdfreader/pdf/reader/ui/act/SplitPdfActivity.kt
@@ -201,13 +201,6 @@ class SplitPdfActivity : BaseActivity() {
                 inputFile = file,
                 password = password,
                 onError = { e ->
-                    runOnUiThread {
-                        ToastUtils.show(
-                            this@SplitPdfActivity,
-                            getString(R.string.file_not_pdf_or_corrupted)
-                        )
-                        finish()
-                    }
                 }
             ).collect { pageItem ->
                 logDebug("splitPdfToPageItemsFlow pageItem->$pageItem")