diff --git a/scripts/create_table.sql b/scripts/create_table.sql
index 4e633ff..e9c3aa3 100644
--- a/scripts/create_table.sql
+++ b/scripts/create_table.sql
@@ -1,10 +1,11 @@
 -- 账户表
 CREATE TABLE account (
-  a_id SERIAL PRIMARY KEY, --账户号
-  meta JSONB			-- 元数据
+  a_id SERIAL PRIMARY KEY, -- 账户号
+  balance MONEY,		   -- 余额
+  meta JSONB			   -- 元数据
 );
 -- {"name":"name",
---  "balance": 0.00,
+--	 time:"2022-02-02",
 --  “budget": [
 --	{"time":"2022-02","value":20.32},
 --  {"time":"2022-01","value":30.32}
@@ -27,27 +28,21 @@ CREATE TABLE category (
 -- 流水表
 CREATE TABLE transaction (
   t_id SERIAL PRIMARY KEY,  -- 流水号
-  c_id INTEGER REFERENCES category(c_id), -- 关联账户号
-  a_id INTEGER REFERENCES account(a_id),  -- 关联类别号
+  c_id INTEGER REFERENCES category(c_id), -- 关联类别号
+  a_id INTEGER REFERENCES account(a_id),  -- 关联账户号
+  s_id INTEGER REFERENCES category(c_id), -- 源账户号
+  amount MONEY,
   meta JSONB -- 元数据
 );
 -- {"discription":"something",(可选)
 --	"type":"in"/"out"/"transfer",
 
---  "transfer_dist":a_id,(可选）
 --  "reimburse":{  （报销）
 --  "finish": true,
 --  "ref":t_id
 --	}
 --	"":"something"}
 
--- 转账表 记录转账信息
-CREATE TABLE account_transaction(
-	at_id SERIAL PRIMARY KEY, -- 转账号
-	src INTEGER REFERENCES category(c_id), -- 源账户号
-	dst INTEGER REFERENCES category(c_id), -- 目的账户号
-	meta JSONB -- 元数据
-);
 
 
 
diff --git a/scripts/drop_table.sql b/scripts/drop_table.sql
index 92d280d..00af04d 100644
--- a/scripts/drop_table.sql
+++ b/scripts/drop_table.sql
@@ -1,5 +1,4 @@
 DROP TABLE transaction;
-DROP TABLE account_transaction;
 DROP TABLE category;
 DROP TABLE account;
 
diff --git a/src/budget/_account.py b/src/budget/_account.py
index 6d3f6e5..5e29524 100644
--- a/src/budget/_account.py
+++ b/src/budget/_account.py
@@ -195,11 +195,11 @@ class AccountTab(TabPage):
                     raise Exception('Account name cannot be empty')
 
                 # JSONB插入数据
-                data = {"name": line1.text(), "balance": balance, "description": description}
+                data = {"name": line1.text(), "description": description}
                 data = json.dumps(data)
                 print("insert data:",data)
                 
-                self.pg.execute("INSERT INTO account (meta) VALUES (%s)", (data,))
+                self.pg.execute("INSERT INTO account (balance, meta) VALUES (%s, %s)", (balance, data,))
 
                 # 刷新表格
                 self.selected()