diff --git a/Android/MMKV/mmkvannotation/build.gradle b/Android/MMKV/mmkvannotation/build.gradle
index 81545524..7e11a8eb 100644
--- a/Android/MMKV/mmkvannotation/build.gradle
+++ b/Android/MMKV/mmkvannotation/build.gradle
@@ -4,7 +4,7 @@ plugins {
 }
 
 android {
-    namespace "com.tencent.mmkv"
+     namespace "com.tencent.mmkv.annotation"
 }
 
 dependencies {