diff --git a/g/database/gdb/gdb.go b/g/database/gdb/gdb.go
index 46072fd9d..84ed0e68c 100644
--- a/g/database/gdb/gdb.go
+++ b/g/database/gdb/gdb.go
@@ -136,6 +136,7 @@ func NewByGroup(groupName string) (Link, error) {
         if len(masterList) < 1 {
             return nil, errors.New("at least one master node configuration's need to make sense")
         }
+        fmt.Println(masterList)
         masterNode := getConfigNodeByPriority(&masterList)
         var slaveNode *ConfigNode
         if len(slaveList) > 0 {
diff --git a/g/frame/gbase/gbase.go b/g/frame/gbase/gbase.go
index d468abc99..da33ee6a2 100644
--- a/g/frame/gbase/gbase.go
+++ b/g/frame/gbase/gbase.go
@@ -11,8 +11,8 @@ import (
 
 // 框架基类，所有的基于gf框架的类对象都继承于此，以便使用框架的一些封装的核心组件
 type Base struct {
-    Db     gdb.Link
-    Config *gconfig.Config
+    Db       gdb.Link        // 数据库操作对象
+    Config   *gconfig.Config // 配置管理对象
 }
 
 // 基类初始化，如若需要自定义初始化内置核心对象组件，可在继承子类中覆盖此方法
diff --git a/g/net/ghttp/http_server.go b/g/net/ghttp/http_server.go
index ee85eec7a..52c6b729c 100644
--- a/g/net/ghttp/http_server.go
+++ b/g/net/ghttp/http_server.go
@@ -12,6 +12,7 @@ import (
     "reflect"
     "gitee.com/johng/gf/g/util/gutil"
     "gitee.com/johng/gf/g/container/gmap"
+    "strconv"
 )
 
 const (
@@ -112,11 +113,11 @@ func (s *Server)SetConfig(c ServerConfig) error {
 }
 
 // 设置http server参数 - Addr
-func (s *Server)SetAddr(addr string) error {
+func (s *Server)SetPort(port int) error {
     if s.status == 1 {
         return errors.New("server config cannot be changed while running")
     }
-    s.config.Addr = addr
+    s.config.Addr = ":" + strconv.Itoa(port)
     return nil
 }
 
diff --git a/geg/frame/config.json b/geg/frame/config.json
index c83051631..84b341f14 100644
--- a/geg/frame/config.json
+++ b/geg/frame/config.json
@@ -2,14 +2,28 @@
     "viewpath"   : "/home/john/Workspace/Go/GOPATH/src/gitee.com/johng/gf/geg/frame/mvc/view",
     "database"   : {
         "default" : [
-            "root@127.0.0.1:3306,123456,test,mysql",
-            "root@127.0.0.1:3306,123456,test,mysql",
-            "root@127.0.0.1:3306,123456,test,mysql"
-        ],
-        "user-center" : [
-            "root@127.0.0.1:3306,123456,ucenter,mysql",
-            "root@127.0.0.1:3306,123456,ucenter,mysql",
-            "root@127.0.0.1:3306,123456,ucenter,mysql"
+            {
+                "host"     : "127.0.0.1",
+                "port"     : "3306",
+                "user"     : "root",
+                "pass"     : "127456",
+                "name"     : "test",
+                "type"     : "mysql",
+                "role"     : "master",
+                "charset"  : "utf8",
+                "priority" : "1"
+            },
+            {
+                "host"     : "127.0.0.1",
+                "port"     : "3306",
+                "user"     : "root",
+                "pass"     : "127456",
+                "name"     : "test",
+                "type"     : "mysql",
+                "role"     : "master",
+                "charset"  : "utf8",
+                "priority" : "1"
+            }
         ]
     }
 }
\ No newline at end of file
diff --git a/geg/frame/mvc/main.go b/geg/frame/mvc/main.go
index 7b5205fe6..12f937e1e 100644
--- a/geg/frame/mvc/main.go
+++ b/geg/frame/mvc/main.go
@@ -6,6 +6,6 @@ import (
 )
 
 func main() {
-    ghttp.GetServer("johng").SetAddr(":8199")
+    ghttp.GetServer("johng").SetPort(8199)
     ghttp.GetServer("johng").Run()
 }