init postgresql err (#3003)

core/stores/postgres/postgresql.go

@@ -2,7 +2,8 @@ package postgres
 
 import (
 	// imports the driver, don't remove this comment, golint requires.
-	_ "github.com/jackc/pgx/v5"
+	_ "github.com/jackc/pgx/v5/stdlib"
+
 	"github.com/zeromicro/go-zero/core/stores/sqlx"
 )