diff --git a/container/gring/gring_bench_test.go b/container/gring/gring_bench_test.go
index c712f4a34..dd9f69b22 100644
--- a/container/gring/gring_bench_test.go
+++ b/container/gring/gring_bench_test.go
@@ -15,13 +15,13 @@ import (
 )
 
 var length = 10000
-var ring = gring.New(length, true)
+var ringObject = gring.New(length, true)
 
 func BenchmarkRing_Put(b *testing.B) {
 	b.RunParallel(func(pb *testing.PB) {
 		i := 0
 		for pb.Next() {
-			ring.Put(i)
+			ringObject.Put(i)
 			i++
 		}
 	})
@@ -31,7 +31,7 @@ func BenchmarkRing_Next(b *testing.B) {
 	b.RunParallel(func(pb *testing.PB) {
 		i := 0
 		for pb.Next() {
-			ring.Next()
+			ringObject.Next()
 			i++
 		}
 	})
@@ -41,7 +41,7 @@ func BenchmarkRing_Set(b *testing.B) {
 	b.RunParallel(func(pb *testing.PB) {
 		i := 0
 		for pb.Next() {
-			ring.Set(i)
+			ringObject.Set(i)
 			i++
 		}
 	})
@@ -51,7 +51,7 @@ func BenchmarkRing_Len(b *testing.B) {
 	b.RunParallel(func(pb *testing.PB) {
 		i := 0
 		for pb.Next() {
-			ring.Len()
+			ringObject.Len()
 			i++
 		}
 	})
@@ -61,7 +61,7 @@ func BenchmarkRing_Cap(b *testing.B) {
 	b.RunParallel(func(pb *testing.PB) {
 		i := 0
 		for pb.Next() {
-			ring.Cap()
+			ringObject.Cap()
 			i++
 		}
 	})
diff --git a/net/ghttp/ghttp_server.go b/net/ghttp/ghttp_server.go
index c11e9d1ee..97ecb6eda 100644
--- a/net/ghttp/ghttp_server.go
+++ b/net/ghttp/ghttp_server.go
@@ -202,6 +202,8 @@ func GetServer(name ...interface{}) *Server {
 	if s := serverMapping.Get(sname); s != nil {
 		return s.(*Server)
 	}
+	sessionStorage := gkvdb.Instance(defaultServerConfig.SessionStoragePath)
+	sessionStorage.SetOptions(gkvdb.DefaultOptions(defaultServerConfig.SessionStoragePath))
 	s := &Server{
 		name:             sname,
 		servers:          make([]*gracefulServer, 0),
@@ -212,7 +214,7 @@ func GetServer(name ...interface{}) *Server {
 		serveCache:       gcache.New(),
 		routesMap:        make(map[string][]registeredRouteItem),
 		sessions:         gcache.New(),
-		sessionStorage:   gkvdb.New(gkvdb.DefaultOptions(defaultServerConfig.SessionStoragePath)),
+		sessionStorage:   sessionStorage,
 		servedCount:      gtype.NewInt(),
 		logger:           glog.New(),
 	}
diff --git a/net/ghttp/ghttp_unit_param_struct_test.go b/net/ghttp/ghttp_unit_param_struct_test.go
index 6f6ae56b3..fb43b9665 100644
--- a/net/ghttp/ghttp_unit_param_struct_test.go
+++ b/net/ghttp/ghttp_unit_param_struct_test.go
@@ -38,7 +38,9 @@ func Test_Params_Struct(t *testing.T) {
 		if m := r.GetMap(); len(m) > 0 {
 			user := (*User)(nil)
 			r.GetToStruct(&user)
-			r.Response.Write(user.Id, user.Name, user.Pass1, user.Pass2)
+			if user != nil {
+				r.Response.Write(user.Id, user.Name, user.Pass1, user.Pass2)
+			}
 		}
 	})
 	s.BindHandler("/struct-valid", func(r *ghttp.Request) {
@@ -62,6 +64,7 @@ func Test_Params_Struct(t *testing.T) {
 		gtest.Assert(client.GetContent("/struct1", `id=1&name=john&password1=123&password2=456`), `1john123456`)
 		gtest.Assert(client.PostContent("/struct1", `id=1&name=john&password1=123&password2=456`), `1john123456`)
 		gtest.Assert(client.PostContent("/struct2", `id=1&name=john&password1=123&password2=456`), `1john123456`)
+		gtest.Assert(client.PostContent("/struct2", ``), ``)
 		gtest.Assert(client.PostContent("/struct-valid", `id=1&name=john&password1=123&password2=0`), `{"passwd1":{"length":"字段长度为2到20个字符","password3":"密码强度不足"}}`)
 	})
 }