diff --git a/src/plugins/Sqlite/index.ts b/src/plugins/Sqlite/index.ts
index c37f08f6..bbb565d9 100644
--- a/src/plugins/Sqlite/index.ts
+++ b/src/plugins/Sqlite/index.ts
@@ -1,6 +1,6 @@
 /**
  * Sqlite 数据库操作类
- * @since Beta v0.9.5
+ * @since Beta v0.9.9
  */
 
 import showSnackbar from "@comp/func/snackbar.js";
@@ -104,33 +104,25 @@ class Sqlite {
     return localVersion !== dbVersion;
   }
 
-  /**
-   * 插入应用数据
-   * @since Alpha v0.2.0
-   * @param key - 键
-   * @param value - 值
-   * @returns sql
-   */
-  insertAppData(key: string, value: string): string {
-    return `
-        INSERT INTO AppData (key, value, updated)
-        VALUES ('${key}', '${value}', datetime('now', 'localtime'))
-        ON CONFLICT(key) DO UPDATE SET value   = '${value}',
-                                       updated = datetime('now', 'localtime');
-    `;
-  }
-
   /**
    * 保存 appData
-   * @since Beta v0.3.3
+   * @since Beta v0.9.9
    * @param key - 键
    * @param value - 值
    * @returns 无返回值
    */
   public async saveAppData(key: string, value: string): Promise<void> {
     const db = await this.getDB();
-    const sql = this.insertAppData(key, value);
-    await db.execute(sql);
+    await db.execute(
+      `
+          INSERT INTO AppData (key, value, updated)
+          VALUES ($1, $2, datetime('now', 'localtime'))
+          ON CONFLICT(key)
+              DO UPDATE SET value   = $2,
+                            updated = datetime('now', 'localtime');
+      `,
+      [key, value],
+    );
   }
 
   /**
diff --git a/src/types/Sqlite/AppData.d.ts b/src/types/Sqlite/AppData.d.ts
index b6fc1251..e8efa53d 100644
--- a/src/types/Sqlite/AppData.d.ts
+++ b/src/types/Sqlite/AppData.d.ts
@@ -1,34 +1,16 @@
 /**
  * AppData 表类型定义文件
- * @since Beta v0.4.1
+ * @since Beta v0.9.9
  */
 
 declare namespace TGApp.Sqlite.AppData {
-  /**
-   * AppData 表键值
-   * @since Beta v0.4.1
-   * @TODO 枚举
-   */
-  enum DBKey {
-    /** 应用版本 */
-    APP_VERSION = "appVersion",
-    /** 数据库更新时间 */
-    DATA_UPDATED = "dataUpdated",
-    /** 当前用户 Cookie */
-    COOKIE = "cookie",
-    /** 设备信息 */
-    DEVICE_INFO = "deviceInfo",
-    /** 数据目录 */
-    USER_DIR = "userDir",
-  }
-
   /**
    * AppData 行数据
-   * @since Beta v0.3.3
+   * @since Beta v0.9.9
    */
   type Item = {
     /** 键 */
-    key: DBKey;
+    key: string;
     /** 值 */
     value: string;
     /** 更新时间 */