diff --git a/DONATOR.MD b/DONATOR.MD
index adec8172f..a492db6a3 100644
--- a/DONATOR.MD
+++ b/DONATOR.MD
@@ -11,7 +11,7 @@ please note your github/gitee account in your payment bill. All the donations wi
 | Name | Channel | Amount | Comment 
 |---|---|--- | ---
 |[hailaz](https://gitee.com/hailaz)|gitee|￥20.00 | 
-|[ireadx](https://github.com/ireadx)|alipay|￥301.00 |
+|[ireadx](https://github.com/ireadx)|alipay|￥501.00 |
 |[mg91](https://gitee.com/mg91)|gitee|￥10.00 |
 |[pibigstar](https://github.com/pibigstar)|alipay|￥10.00 |
 |[tiangenglan](https://gitee.com/tiangenglan)|gitee|￥30.00 |
@@ -115,7 +115,6 @@ please note your github/gitee account in your payment bill. All the donations wi
 |(hyuant)[https://github.com/hyuant]|alipay|￥66.66| 
 |*庆|alipay|￥9.99| 支持一下，gf越来越好
 |**君|alipay|￥10.00| 加油
-|闫沧|alipay|￥200.00| gf越来越强！
 
 
 
diff --git a/database/gdb/gdb_z_mysql_relation_test.go b/database/gdb/gdb_z_mysql_relation_test.go
index 1a7835b60..1ac691364 100644
--- a/database/gdb/gdb_z_mysql_relation_test.go
+++ b/database/gdb/gdb_z_mysql_relation_test.go
@@ -66,9 +66,9 @@ CREATE TABLE %s (
 		Address string `json:"address"`
 	}
 	type EntityUserScores struct {
-		Id    int `json:"id"`
-		Uid   int `json:"uid"`
-		Score int `json:"score"`
+		Id     int `json:"id"`
+		UserId int `json:"uid"`
+		Score  int `json:"score"`
 	}
 	type Entity struct {
 		User       *EntityUser
@@ -144,10 +144,10 @@ CREATE TABLE %s (
 		t.Assert(err, nil)
 		t.Assert(len(users[0].UserScores), 5)
 		t.Assert(len(users[1].UserScores), 5)
-		t.Assert(users[0].UserScores[0].Uid, 3)
+		t.Assert(users[0].UserScores[0].UserId, 3)
 		t.Assert(users[0].UserScores[0].Score, 1)
 		t.Assert(users[0].UserScores[4].Score, 5)
-		t.Assert(users[1].UserScores[0].Uid, 4)
+		t.Assert(users[1].UserScores[0].UserId, 4)
 		t.Assert(users[1].UserScores[0].Score, 1)
 		t.Assert(users[1].UserScores[4].Score, 5)
 	})
@@ -177,10 +177,10 @@ CREATE TABLE %s (
 		t.Assert(err, nil)
 		t.Assert(len(users[0].UserScores), 5)
 		t.Assert(len(users[1].UserScores), 5)
-		t.Assert(users[0].UserScores[0].Uid, 3)
+		t.Assert(users[0].UserScores[0].UserId, 3)
 		t.Assert(users[0].UserScores[0].Score, 1)
 		t.Assert(users[0].UserScores[4].Score, 5)
-		t.Assert(users[1].UserScores[0].Uid, 4)
+		t.Assert(users[1].UserScores[0].UserId, 4)
 		t.Assert(users[1].UserScores[0].Score, 1)
 		t.Assert(users[1].UserScores[4].Score, 5)
 	})
@@ -319,10 +319,10 @@ CREATE TABLE %s (
 
 		t.Assert(len(users[0].UserScores), 5)
 		t.Assert(len(users[1].UserScores), 5)
-		t.Assert(users[0].UserScores[0].Uid, 3)
+		t.Assert(users[0].UserScores[0].UserId, 3)
 		t.Assert(users[0].UserScores[0].Score, 1)
 		t.Assert(users[0].UserScores[4].Score, 5)
-		t.Assert(users[1].UserScores[0].Uid, 4)
+		t.Assert(users[1].UserScores[0].UserId, 4)
 		t.Assert(users[1].UserScores[0].Score, 1)
 		t.Assert(users[1].UserScores[4].Score, 5)
 	})
diff --git a/net/ghttp/ghttp_request_param_form.go b/net/ghttp/ghttp_request_param_form.go
index 7c4a5d150..01e121cb3 100644
--- a/net/ghttp/ghttp_request_param_form.go
+++ b/net/ghttp/ghttp_request_param_form.go
@@ -189,10 +189,11 @@ func (r *Request) GetFormMapStrVar(kvMap ...map[string]interface{}) map[string]*
 // The optional parameter <mapping> is used to specify the key to attribute mapping.
 func (r *Request) GetFormStruct(pointer interface{}, mapping ...map[string]string) error {
 	r.parseForm()
-	if len(r.formMap) == 0 {
-		return nil
+	m := r.formMap
+	if m == nil {
+		m = map[string]interface{}{}
 	}
-	return gconv.StructDeep(r.formMap, pointer, mapping...)
+	return gconv.StructDeep(m, pointer, mapping...)
 }
 
 // GetFormToStruct is alias of GetFormStruct. See GetFormStruct.
diff --git a/net/ghttp/ghttp_request_param_query.go b/net/ghttp/ghttp_request_param_query.go
index 042da32f9..7f75fb2c6 100644
--- a/net/ghttp/ghttp_request_param_query.go
+++ b/net/ghttp/ghttp_request_param_query.go
@@ -194,8 +194,8 @@ func (r *Request) GetQueryMapStrVar(kvMap ...map[string]interface{}) map[string]
 func (r *Request) GetQueryStruct(pointer interface{}, mapping ...map[string]string) error {
 	r.parseQuery()
 	m := r.GetQueryMap()
-	if len(m) == 0 {
-		return nil
+	if m == nil {
+		m = map[string]interface{}{}
 	}
 	return gconv.StructDeep(m, pointer, mapping...)
 }
diff --git a/net/ghttp/ghttp_request_param_request.go b/net/ghttp/ghttp_request_param_request.go
index cb973e511..29e0a4375 100644
--- a/net/ghttp/ghttp_request_param_request.go
+++ b/net/ghttp/ghttp_request_param_request.go
@@ -268,8 +268,8 @@ func (r *Request) GetRequestMapStrVar(kvMap ...map[string]interface{}) map[strin
 // The optional parameter <mapping> is used to specify the key to attribute mapping.
 func (r *Request) GetRequestStruct(pointer interface{}, mapping ...map[string]string) error {
 	m := r.GetRequestMap()
-	if len(m) == 0 {
-		return nil
+	if m == nil {
+		m = map[string]interface{}{}
 	}
 	return gconv.StructDeep(m, pointer, mapping...)
 }