diff --git a/app/src/main/java/com/hjx/parent/App.java b/app/src/main/java/com/hjx/parent/App.java
index b3703e5..9840440 100644
--- a/app/src/main/java/com/hjx/parent/App.java
+++ b/app/src/main/java/com/hjx/parent/App.java
@@ -39,6 +39,7 @@ public class App extends CommonApplication {
         super.onCreate();
         this.instance = this;
         SharedPreferencesUtil.getInstance(this, "config");
+        SharedPreferencesUtil.checkVersion(this);
         ZXingLibrary.initDisplayOpinion(this);
     }
 }
diff --git a/libs/common/src/main/java/com/prws/common/utils/SharedPreferencesUtil.java b/libs/common/src/main/java/com/prws/common/utils/SharedPreferencesUtil.java
index 52b6548..4d7115d 100644
--- a/libs/common/src/main/java/com/prws/common/utils/SharedPreferencesUtil.java
+++ b/libs/common/src/main/java/com/prws/common/utils/SharedPreferencesUtil.java
@@ -263,10 +263,19 @@ public class SharedPreferencesUtil {
     }
 
     public static void clear(Context context) {
-        SharedPreferences preferences = context.getSharedPreferences("config", Context.MODE_PRIVATE);
-        SharedPreferences.Editor editor = preferences.edit();
+        SharedPreferences.Editor editor = sp.edit();
         editor.clear();
         editor.commit();
     }
 
+    private static final int myVersion = 2;
+    public static void checkVersion(Context context) {
+        if (sp.getInt("myVersion", 0) == myVersion) {
+            return;
+        }
+        clear(context);
+        SharedPreferences.Editor editor = sp.edit();
+        editor.putInt("myVersion", myVersion);
+        editor.apply();
+    }
 }