diff --git a/database/gdb/gdb.go b/database/gdb/gdb.go
index de3cdf3d3..558ca92c9 100644
--- a/database/gdb/gdb.go
+++ b/database/gdb/gdb.go
@@ -708,7 +708,7 @@ const (
 	ctxKeyCatchSQL            gctx.StrKey = `CtxKeyCatchSQL`
 	ctxKeyInternalProducedSQL gctx.StrKey = `CtxKeyInternalProducedSQL`
 
-	linkPattern            = `(\w+):([\w\-\$]*):(.*?)@(\w+?)\((.+?)\)/{0,1}([^\?]*)\?{0,1}(.*)`
+	linkPattern            = `^(\w+):(.*?):(.*?)@(\w+?)\((.+?)\)/{0,1}([^\?]*)\?{0,1}(.*?)$`
 	linkPatternDescription = `type:username:password@protocol(host:port)/dbname?param1=value1&...&paramN=valueN`
 )
 
diff --git a/database/gdb/gdb_z_mysql_internal_test.go b/database/gdb/gdb_z_mysql_internal_test.go
index ec70000b9..8539c2c94 100644
--- a/database/gdb/gdb_z_mysql_internal_test.go
+++ b/database/gdb/gdb_z_mysql_internal_test.go
@@ -295,6 +295,40 @@ func Test_parseConfigNodeLink_WithType(t *testing.T) {
 		t.Assert(newNode.Charset, `utf8`)
 		t.Assert(newNode.Protocol, `unix`)
 	})
+	// https://github.com/gogf/gf/issues/4059
+	gtest.C(t, func(t *gtest.T) {
+		node := &ConfigNode{
+			Link: "tidb:2hcmRccccxxx9Fizz.root:wP3xxxxPIDc@tcp(xxxx.tidbcloud.com:4000)/db_name?tls=true",
+		}
+		newNode, err := parseConfigNodeLink(node)
+		t.AssertNil(err)
+		t.Assert(newNode.Type, `tidb`)
+		t.Assert(newNode.User, `2hcmRccccxxx9Fizz.root`)
+		t.Assert(newNode.Pass, `wP3xxxxPIDc`)
+		t.Assert(newNode.Host, `xxxx.tidbcloud.com`)
+		t.Assert(newNode.Port, `4000`)
+		t.Assert(newNode.Name, `db_name`)
+		t.Assert(newNode.Extra, `tls=true`)
+		t.Assert(newNode.Charset, `utf8`)
+		t.Assert(newNode.Protocol, `tcp`)
+	})
+	gtest.C(t, func(t *gtest.T) {
+		node := &ConfigNode{
+			Type: "tidb",
+			Link: "2hcmRccccxxx9Fizz.root:wP3xxxxPIDc@tcp(xxxx.tidbcloud.com:4000)/db_name?tls=true",
+		}
+		newNode, err := parseConfigNodeLink(node)
+		t.AssertNil(err)
+		t.Assert(newNode.Type, `tidb`)
+		t.Assert(newNode.User, `2hcmRccccxxx9Fizz.root`)
+		t.Assert(newNode.Pass, `wP3xxxxPIDc`)
+		t.Assert(newNode.Host, `xxxx.tidbcloud.com`)
+		t.Assert(newNode.Port, `4000`)
+		t.Assert(newNode.Name, `db_name`)
+		t.Assert(newNode.Extra, `tls=true`)
+		t.Assert(newNode.Charset, `utf8`)
+		t.Assert(newNode.Protocol, `tcp`)
+	})
 }
 
 func Test_Func_doQuoteWord(t *testing.T) {
diff --git a/net/ghttp/ghttp_server.go b/net/ghttp/ghttp_server.go
index be567d068..6e84d9c95 100644
--- a/net/ghttp/ghttp_server.go
+++ b/net/ghttp/ghttp_server.go
@@ -454,17 +454,9 @@ func (s *Server) Run() {
 
 	// Blocking using the channel for graceful restart.
 	<-s.closeChan
-	// Remove plugins.
-	if len(s.plugins) > 0 {
-		for _, p := range s.plugins {
-			intlog.Printf(ctx, `remove plugin: %s`, p.Name())
-			if err := p.Remove(); err != nil {
-				intlog.Errorf(ctx, "%+v", err)
-			}
-		}
-	}
-	s.doServiceDeregister()
-	s.Logger().Infof(ctx, "pid[%d]: all servers shutdown", gproc.Pid())
+
+	// Shutdown the server
+	_ = s.Shutdown()
 }
 
 // Wait blocks to wait for all servers done.
diff --git a/net/ghttp/ghttp_server_admin.go b/net/ghttp/ghttp_server_admin.go
index 58f63575d..987e51a3e 100644
--- a/net/ghttp/ghttp_server_admin.go
+++ b/net/ghttp/ghttp_server_admin.go
@@ -88,14 +88,25 @@ func (s *Server) EnableAdmin(pattern ...string) {
 	s.BindObject(p, &utilAdmin{})
 }
 
-// Shutdown shuts down current server.
+// Shutdown shuts the current server.
 func (s *Server) Shutdown() error {
 	var ctx = context.TODO()
+	// Remove plugins.
+	if len(s.plugins) > 0 {
+		for _, p := range s.plugins {
+			s.Logger().Printf(ctx, `remove plugin: %s`, p.Name())
+			if err := p.Remove(); err != nil {
+				s.Logger().Errorf(ctx, "%+v", err)
+			}
+		}
+	}
+
 	s.doServiceDeregister()
 	// Only shut down current servers.
 	// It may have multiple underlying http servers.
 	for _, v := range s.servers {
 		v.Shutdown(ctx)
 	}
+	s.Logger().Infof(ctx, "pid[%d]: all servers shutdown", gproc.Pid())
 	return nil
 }
diff --git a/net/ghttp/ghttp_server_config.go b/net/ghttp/ghttp_server_config.go
index 450f9bb05..f5a6f4fe9 100644
--- a/net/ghttp/ghttp_server_config.go
+++ b/net/ghttp/ghttp_server_config.go
@@ -343,6 +343,9 @@ func (s *Server) SetConfigWithMap(m map[string]interface{}) error {
 	if k, v := gutil.MapPossibleItemByKey(m, "FormParsingMemory"); k != "" {
 		m[k] = gfile.StrToSize(gconv.String(v))
 	}
+	if _, v := gutil.MapPossibleItemByKey(m, "Logger"); v == nil {
+		intlog.Printf(context.TODO(), "SetConfigWithMap: set Logger nil")
+	}
 	// Update the current configuration object.
 	// It only updates the configured keys not all the object.
 	if err := gconv.Struct(m, &s.config); err != nil {
@@ -379,8 +382,10 @@ func (s *Server) SetConfig(c ServerConfig) error {
 			return err
 		}
 	}
-	if err := s.config.Logger.SetLevelStr(s.config.LogLevel); err != nil {
-		intlog.Errorf(context.TODO(), `%+v`, err)
+	if s.config.Logger != nil {
+		if err := s.config.Logger.SetLevelStr(s.config.LogLevel); err != nil {
+			intlog.Errorf(context.TODO(), `%+v`, err)
+		}
 	}
 	gracefulEnabled = c.Graceful
 	intlog.Printf(context.TODO(), "SetConfig: %+v", s.config)
diff --git a/net/ghttp/ghttp_server_config_logging.go b/net/ghttp/ghttp_server_config_logging.go
index f3e566b39..c35edeb54 100644
--- a/net/ghttp/ghttp_server_config_logging.go
+++ b/net/ghttp/ghttp_server_config_logging.go
@@ -68,10 +68,10 @@ func (s *Server) GetLogPath() string {
 
 // IsAccessLogEnabled checks whether the access log enabled.
 func (s *Server) IsAccessLogEnabled() bool {
-	return s.config.AccessLogEnabled
+	return s.config.AccessLogEnabled && s.config.Logger != nil
 }
 
 // IsErrorLogEnabled checks whether the error log enabled.
 func (s *Server) IsErrorLogEnabled() bool {
-	return s.config.ErrorLogEnabled
+	return s.config.ErrorLogEnabled && s.config.Logger != nil
 }
diff --git a/net/ghttp/ghttp_server_log.go b/net/ghttp/ghttp_server_log.go
index 9f4e917df..49b498ad0 100644
--- a/net/ghttp/ghttp_server_log.go
+++ b/net/ghttp/ghttp_server_log.go
@@ -31,7 +31,7 @@ func (s *Server) handleAccessLog(r *Request) {
 		r.GetClientIp(), r.Referer(), r.UserAgent(),
 	)
 	logger := instance.GetOrSetFuncLock(loggerInstanceKey, func() interface{} {
-		l := s.Logger().Clone()
+		l := s.Logger()
 		l.SetFile(s.config.AccessLogPattern)
 		l.SetStdoutPrint(s.config.LogStdout)
 		l.SetLevelPrint(false)
@@ -73,7 +73,7 @@ func (s *Server) handleErrorLog(err error, r *Request) {
 		content += ", " + err.Error()
 	}
 	logger := instance.GetOrSetFuncLock(loggerInstanceKey, func() interface{} {
-		l := s.Logger().Clone()
+		l := s.Logger()
 		l.SetStack(false)
 		l.SetFile(s.config.ErrorLogPattern)
 		l.SetStdoutPrint(s.config.LogStdout)
diff --git a/net/ghttp/ghttp_z_unit_issue_test.go b/net/ghttp/ghttp_z_unit_issue_test.go
index d0d17b847..080597d0d 100644
--- a/net/ghttp/ghttp_z_unit_issue_test.go
+++ b/net/ghttp/ghttp_z_unit_issue_test.go
@@ -618,3 +618,15 @@ func Test_Issue3789(t *testing.T) {
 		t.Assert(c.GetContent(ctx, "/hello?id=&secondId=2&thirdId=3"), expect)
 	})
 }
+
+// https://github.com/gogf/gf/issues/4047
+func Test_Issue4047(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		s := g.Server(guid.S())
+		err := s.SetConfigWithMap(g.Map{
+			"logger": nil,
+		})
+		t.AssertNil(err)
+		t.Assert(s.Logger(), nil)
+	})
+}