diff --git a/src/v1/config/db.go b/src/v1/config/db.go
index 7265d3e32f0eb8c1ad1f1d5c2186a9b23cbb4a9c..60a5ed3157abcf062b0d0b60352faeeb9c77827b 100644
--- a/src/v1/config/db.go
+++ b/src/v1/config/db.go
@@ -1,5 +1,7 @@
 package config
 
+import "fmt"
+
 type DBConfig struct {
 	DbHost     string `yaml:"DbHost"`
 	DbPort     string `yaml:"DbPort"`
@@ -13,3 +15,13 @@ type DBConfig struct {
 	MaxIdleTime  int    `default:"0" yaml:"ConnMaxIdleTime"` //每个链接最大空闲时间
 	MaxConcatLen string `default:"" yaml:"MaxConcatLen"`
 }
+
+func (c DBConfig) DSNForMysql() string {
+	return fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=True&loc=Local",
+		c.DbUser, c.DbPassword, c.DbHost, c.DbPort, c.DbName)
+}
+
+func (c DBConfig) DSNForPgSql() string {
+	return fmt.Sprintf("host=%s port=%s user=%s dbname=%s password=%s",
+		c.DbHost, c.DbPort, c.DbUser, c.DbName, c.DbPassword)
+}
diff --git a/src/v1/grpcserver/server_grpc.go b/src/v1/grpcserver/server_grpc.go
index b2e09f05030cfed91a25d3264ebbb358597a25f9..ce1f254a9118171af20112f3f45cbe4f48ca7a2f 100644
--- a/src/v1/grpcserver/server_grpc.go
+++ b/src/v1/grpcserver/server_grpc.go
@@ -63,7 +63,7 @@ func (svr *GRPCServer) run() error {
 		svr.HandlerFunc(svr.s)
 	}
 
-	svr.Info("[%s]rpc running at %s\n", svr.name, svr.listenAddr)
+	svr.Info("[%s]rpc running at %s", svr.name, svr.listenAddr)
 	if err := svr.s.Serve(lis); err != nil {
 		svr.Fatal("failed to serve: %v", err)
 		return err
@@ -85,7 +85,7 @@ func (svr *GRPCServer) registerService() error {
 	}
 
 	if svr.serviceRegister != nil {
-		svr.Info("[%s]rpc register addr %s\n", svr.name, regServer)
+		svr.Info("[%s]rpc register addr %s", svr.name, regServer)
 		return svr.serviceRegister.Register(svr.name, regServer)
 	}