improve configuration for gdb; add more unit test case for ghttp.Server

.example/database/gdb/mysql/config.toml

@@ -1,5 +1,6 @@
 
 # MySQL数据库配置
 [database]
-    link = "mysql:root:12345678@tcp(127.0.0.1:3306)/test"
+	debug = true
+    link  = "mysql:root:12345678@tcp(127.0.0.1:3306)/test"
 

.example/database/gdb/mysql/gdb_value.go

@@ -7,7 +7,7 @@ import (
 
 func main() {
 	db := g.DB()
-	db.SetDebug(true)
+	//db.SetDebug(true)
 
 	type User struct {
 		Id   int

.example/database/gdb/mysql/issue364.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"github.com/gogf/gf/frame/g"
+	"time"
+)
+
+func test1() {
+	db := g.DB()
+	db.SetDebug(true)
+	time.Sleep(1 * time.Minute)
+	r, e := db.Table("test").Where("id", 10000).Count()
+	if e != nil {
+		panic(e)
+	}
+	g.Dump(r)
+}
+
+func test2() {
+	db := g.DB()
+	db.SetDebug(true)
+	dao := db.Table("test").Safe()
+	time.Sleep(1 * time.Minute)
+	r, e := dao.Where("id", 10000).Count()
+	if e != nil {
+		panic(e)
+	}
+	g.Dump(r)
+}
+
+func main() {
+	test1()
+	test2()
+}