diff --git a/app/build.gradle b/app/build.gradle
index f555f12..4ef4c4b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -23,8 +23,8 @@ android {
         applicationId "me.firesun.wechat.enhancement"
         minSdkVersion 17
         targetSdkVersion 23
-        versionCode 45
-        versionName "1.9.0"
+        versionCode 46
+        versionName "1.9.1"
     }
 
     buildTypes {
diff --git a/app/src/main/java/me/firesun/wechat/enhancement/util/HookParams.java b/app/src/main/java/me/firesun/wechat/enhancement/util/HookParams.java
index a437dab..0a065be 100644
--- a/app/src/main/java/me/firesun/wechat/enhancement/util/HookParams.java
+++ b/app/src/main/java/me/firesun/wechat/enhancement/util/HookParams.java
@@ -4,7 +4,7 @@ public class HookParams {
     public static final String SAVE_WECHAT_ENHANCEMENT_CONFIG = "wechat.intent.action.SAVE_WECHAT_ENHANCEMENT_CONFIG";
     public static final String WECHAT_ENHANCEMENT_CONFIG_NAME = "wechat_enhancement_config";
     public static final String WECHAT_PACKAGE_NAME = "com.tencent.mm";
-    public static final int VERSION_CODE = 45; //大版本变动时候才需要修改
+    public static final int VERSION_CODE = 46; //大版本变动时候才需要修改
 
     public String SQLiteDatabaseClassName = "com.tencent.wcdb.database.SQLiteDatabase";
     public String SQLiteDatabaseUpdateMethod = "updateWithOnConflict";
diff --git a/app/src/main/java/me/firesun/wechat/enhancement/util/ReflectionUtil.java b/app/src/main/java/me/firesun/wechat/enhancement/util/ReflectionUtil.java
index ba8b612..22eafd2 100644
--- a/app/src/main/java/me/firesun/wechat/enhancement/util/ReflectionUtil.java
+++ b/app/src/main/java/me/firesun/wechat/enhancement/util/ReflectionUtil.java
@@ -68,7 +68,7 @@ public static final String getClassName(DexClass clazz) {
     }
 
     public static Classes findClassesFromPackage(ClassLoader loader, List<String> classes, String packageName, int depth) {
-        if (classesCache.containsKey(packageName)) {
+        if (classesCache.containsKey(packageName + depth)) {
             return (Classes) classesCache.get(packageName + depth);
         }