diff --git a/README.md b/README.md
index 6603005..ed4064a 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@ db_info :
     username : "root"
     password : "qwer"
     database : "oauth_db"
-    type: 0
+    type: 0 # database type (0:mysql , 1:sqlite , 2:mssql)
 
 
 ```
diff --git a/README_zh_cn.md b/README_zh_cn.md
index 3d00b73..13b4b22 100644
--- a/README_zh_cn.md
+++ b/README_zh_cn.md
@@ -61,7 +61,7 @@ db_info:
     username : root
     password : qwer
     database : oauth_db
-    type: 0
+    type: 0 # 数据库类型:0:mysql , 1:sqlite , 2:mssql
 
 
 ```
diff --git a/data/config/MyIni.go b/data/config/MyIni.go
index bf5936a..5fc6258 100644
--- a/data/config/MyIni.go
+++ b/data/config/MyIni.go
@@ -33,7 +33,7 @@ type DBInfo struct {
 	Username string // Username 用户名
 	Password string // Password 密码
 	Database string // Database 数据库名
-	Type     int    // 数据库类型:0:mysql 1:配置
+	Type     int    // 数据库类型: 0:mysql , 1:sqlite , 2:mssql
 }
 
 // SetMysqlDbInfo Update MySQL configuration information