diff --git a/src/utils/storage/BaseStorage.ts b/src/utils/storage/BaseStorage.ts
index 2e163ca..466efee 100644
--- a/src/utils/storage/BaseStorage.ts
+++ b/src/utils/storage/BaseStorage.ts
@@ -1,4 +1,5 @@
-const KEY_JOOX_UUID = 'joox.uuid';
+export const KEY_PREFIX = 'um.conf.';
+const KEY_JOOX_UUID = `${KEY_PREFIX}joox.uuid`;
 
 export default abstract class BaseStorage {
   protected abstract save<T>(name: string, value: T): Promise<void>;
diff --git a/src/utils/storage/BrowserNativeStorage.ts b/src/utils/storage/BrowserNativeStorage.ts
index 2deae0c..4dd5c17 100644
--- a/src/utils/storage/BrowserNativeStorage.ts
+++ b/src/utils/storage/BrowserNativeStorage.ts
@@ -1,4 +1,4 @@
-import BaseStorage from './BaseStorage';
+import BaseStorage, { KEY_PREFIX } from './BaseStorage';
 
 export default class BrowserNativeStorage extends BaseStorage {
   public static get works() {
@@ -10,7 +10,11 @@ export default class BrowserNativeStorage extends BaseStorage {
     if (result === null) {
       return defaultValue;
     }
-    return JSON.parse(result);
+    try {
+      return JSON.parse(result);
+    } catch {
+      return defaultValue;
+    }
   }
 
   protected async save<T>(name: string, value: T): Promise<void> {
@@ -20,14 +24,20 @@ export default class BrowserNativeStorage extends BaseStorage {
   public async getAll(): Promise<Record<string, any>> {
     const result = {};
     for (const [key, value] of Object.entries(localStorage)) {
-      Object.assign(result, { [key]: JSON.parse(value) });
+      if (key.startsWith(KEY_PREFIX)) {
+        try {
+          Object.assign(result, { [key]: JSON.parse(value) });
+        } catch {
+          // ignored
+        }
+      }
     }
     return result;
   }
 
   public async setAll(obj: Record<string, any>): Promise<void> {
     for (const [key, value] of Object.entries(obj)) {
-      localStorage.setItem(key, JSON.stringify(value));
+      await this.save(key, value);
     }
   }
 }
diff --git a/src/utils/storage/ChromeExtensionStorage.ts b/src/utils/storage/ChromeExtensionStorage.ts
index b2b48be..5f2f063 100644
--- a/src/utils/storage/ChromeExtensionStorage.ts
+++ b/src/utils/storage/ChromeExtensionStorage.ts
@@ -1,4 +1,4 @@
-import BaseStorage from './BaseStorage';
+import BaseStorage, { KEY_PREFIX } from './BaseStorage';
 
 declare var chrome: any;
 
@@ -27,7 +27,15 @@ export default class ChromeExtensionStorage extends BaseStorage {
 
   public async getAll(): Promise<Record<string, any>> {
     return new Promise((resolve) => {
-      chrome.storage.local.get(null, resolve);
+      chrome.storage.local.get(null, (obj: Record<string, any>) => {
+        const result: Record<string, any> = {};
+        for (const [key, value] of Object.entries(obj)) {
+          if (key.startsWith(KEY_PREFIX)) {
+            result[key] = value;
+          }
+        }
+        resolve(result);
+      });
     });
   }