diff --git a/.gitignore b/.gitignore
index b605254..35df236 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /__pycache__
 *.json
+APPData.db
diff --git a/config.py b/config.py
index 012db0c..4929030 100644
--- a/config.py
+++ b/config.py
@@ -2,4 +2,18 @@ import json
 
 def readConf():
     with open('config.json') as f:
-        return json.load(f)
\ No newline at end of file
+        return json.load(f)
+
+def updateConf(data_dict):
+    # 打开JSON文件并读取内容
+    file_path = 'config.json'
+    with open(file_path, 'r') as json_file:
+        existing_data = json.load(json_file)
+
+    # 将新的数据合并到现有的数据中
+    existing_data.update(data_dict)
+
+    # 再次打开文件（这次是以写模式），并将更新后的数据保存回文件
+    with open(file_path, 'w') as json_file:
+        json.dump(existing_data, json_file, indent=4, ensure_ascii=False)
+
diff --git a/db.py b/db.py
index 0383951..0d77f1d 100644
--- a/db.py
+++ b/db.py
@@ -1,29 +1,62 @@
-import pymysql , config , uuid
+import config , uuid
 
-def dbIsOK():
-    #打开数据库连接
+def getconn():
     try:
-        db = pymysql.connect(host=config.readConf()["db"]["host"],
+        if config.readConf()["db"]["type"] == "sqlite3":
+            import sqlite3
+            conn = sqlite3.connect("APPData.db")
+        elif config.readConf()["db"]["type"] == "mysql":
+            import pymysql
+            conn = pymysql.connect(host=config.readConf()["db"]["host"],
                         port=config.readConf()["db"]["port"],
                         user=config.readConf()["db"]["user"],
                         password=config.readConf()["db"]["passwd"],
                         database=config.readConf()["db"]["database"])
+        return conn
+    except:
+        print("DB ERROR")
+        return 0
+def dbIsOK():
+    #打开数据库连接
+    if "init" not in config.readConf():
+        config.updateConf({"init" : True})
+        init()
+        
+    try:
+        getconn()
         return True
     except:
         return False
+    
+def init():
+    #打开数据库连接
+    db = getconn()
+    # 使用 cursor() 方法创建一个游标对象 cursor
+    cursor = db.cursor()
+    #建表
+    cursor.execute(
+        '''
+        CREATE TABLE usersurplus (
+            userkey TEXT,
+            surplus INT);
+        ''')
+    # 提交事务
+    db.commit()
+
+    # 关闭连接
+    db.close()
 
 def userSurplus(userkey): #查询userkey剩余配额
     #打开数据库连接
-    db = pymysql.connect(host=config.readConf()["db"]["host"],
-                     port=config.readConf()["db"]["port"],
-                     user=config.readConf()["db"]["user"],
-                     password=config.readConf()["db"]["passwd"],
-                     database=config.readConf()["db"]["database"])
+    db = getconn()
     # 使用 cursor() 方法创建一个游标对象 cursor
     cursor = db.cursor()
  
     # 使用 execute()  方法执行 SQL 查询 
-    cursor.execute(f"SELECT surplus FROM usersurplus WHERE userkey = %s;",[userkey])
+    if config.readConf()["db"]["type"] == "sqlite3":
+        cursor.execute(f"SELECT surplus FROM usersurplus WHERE userkey = ?;",[userkey])
+    else:
+        cursor.execute(f"SELECT surplus FROM usersurplus WHERE userkey = %s;",[userkey])
     # 使用 fetchone() 方法获取单条数据.
     data = cursor.fetchone()
 
@@ -36,16 +69,15 @@ def userSurplus(userkey): #查询userkey剩余配额
 
 def reduce_value(userkey, value):  # 减去对应的值
     #打开数据库连接
-    db = pymysql.connect(host=config.readConf()["db"]["host"],
-                    port=config.readConf()["db"]["port"],
-                    user=config.readConf()["db"]["user"],
-                    password=config.readConf()["db"]["passwd"],
-                    database=config.readConf()["db"]["database"])
+    db = getconn()
     # 使用 cursor() 方法创建一个游标对象 cursor
     cursor = db.cursor()
 
     # 执行 SQL 查询以获取当前值
-    cursor.execute(f"SELECT surplus FROM usersurplus WHERE userkey = %s;",[userkey])
+    if config.readConf()["db"]["type"] == "sqlite3":
+        cursor.execute(f"SELECT surplus FROM usersurplus WHERE userkey = ?;",[userkey])
+    else:
+        cursor.execute(f"SELECT surplus FROM usersurplus WHERE userkey = %s;",[userkey])
     current_value = cursor.fetchone()[0]
 
     # 如果没有找到用户，则返回错误信息
@@ -57,7 +89,10 @@ def reduce_value(userkey, value):  # 减去对应的值
     new_value = current_value - value
 
     # 更新数据库中的值
-    cursor.execute(f"UPDATE usersurplus SET surplus= %s WHERE userkey= %s;",[new_value,userkey])
+    if config.readConf()["db"]["type"] == "sqlite3":
+        cursor.execute(f"UPDATE usersurplus SET surplus= ? WHERE userkey= ?;",[new_value,userkey])
+    else:
+        cursor.execute(f"UPDATE usersurplus SET surplus= %s WHERE userkey= %s;",[new_value,userkey])
 
     # 提交事务
     db.commit()
@@ -70,11 +105,7 @@ def reduce_value(userkey, value):  # 减去对应的值
 
 def getAllKey():
     #打开数据库连接
-    db = pymysql.connect(host=config.readConf()["db"]["host"],
-                     port=config.readConf()["db"]["port"],
-                     user=config.readConf()["db"]["user"],
-                     password=config.readConf()["db"]["passwd"],
-                     database=config.readConf()["db"]["database"])
+    db = getconn()
     # 使用 cursor() 方法创建一个游标对象 cursor
     cursor = db.cursor()
  
@@ -91,16 +122,15 @@ def getAllKey():
 
 def delKey(userkey):
     #打开数据库连接
-    db = pymysql.connect(host=config.readConf()["db"]["host"],
-                     port=config.readConf()["db"]["port"],
-                     user=config.readConf()["db"]["user"],
-                     password=config.readConf()["db"]["passwd"],
-                     database=config.readConf()["db"]["database"])
+    db = getconn()
     # 使用 cursor() 方法创建一个游标对象 cursor
     cursor = db.cursor()
  
     # 使用 execute()  方法执行 SQL 查询 
-    cursor.execute(f"DELETE FROM usersurplus WHERE userkey = %s;", [userkey])
+    if config.readConf()["db"]["type"] == "sqlite3":
+        cursor.execute(f"DELETE FROM usersurplus WHERE userkey = ?;", [userkey])
+    else:
+        cursor.execute(f"DELETE FROM usersurplus WHERE userkey = %s;", [userkey])
 
     # 提交事务
     db.commit()
@@ -114,24 +144,31 @@ def delKey(userkey):
 
 def createKey(quota,number=1,key="null"):
     #打开数据库连接
-    db = pymysql.connect(host=config.readConf()["db"]["host"],
-                     port=config.readConf()["db"]["port"],
-                     user=config.readConf()["db"]["user"],
-                     password=config.readConf()["db"]["passwd"],
-                     database=config.readConf()["db"]["database"])
+    db = getconn()
     # 使用 cursor() 方法创建一个游标对象 cursor
     cursor = db.cursor()
  
     # 使用 execute()  方法执行 SQL 查询 
     output = []
-    if key == "null":
-        for i in range(int(number)):
-            key = str(uuid.uuid1())
+    if config.readConf()["db"]["type"] == "sqlite3":
+        if key == "null":
+            for i in range(int(number)):
+                key = str(uuid.uuid1())
+                output.append(key)
+                cursor.execute(f"INSERT INTO usersurplus (userkey,surplus) VALUES (?, ?);", [key, quota])
+        else:
+            cursor.execute(f"INSERT INTO usersurplus (userkey,surplus) VALUES (?, ?);", [key, quota])
             output.append(key)
-            cursor.execute(f"INSERT INTO usersurplus (userkey,surplus) VALUES (%s, %s);", [key, quota])
     else:
-        cursor.execute(f"INSERT INTO usersurplus (userkey,surplus) VALUES (%s, %s);", [key, quota])
-        output.append(key)
+        if key == "null":
+            for i in range(int(number)):
+                key = str(uuid.uuid1())
+                output.append(key)
+                cursor.execute(f"INSERT INTO usersurplus (userkey,surplus) VALUES (%s, %s);", [key, quota])
+        else:
+            cursor.execute(f"INSERT INTO usersurplus (userkey,surplus) VALUES (%s, %s);", [key, quota])
+            output.append(key)
+
 
     # 提交事务
     db.commit()