diff --git a/.gitignore b/.gitignore
index 213eb4ae1..638a8dbb0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@ gitpush.sh
 pkg/
 bin/
 cbuild
+*/.DS_Store
diff --git a/g/.DS_Store b/g/.DS_Store
deleted file mode 100644
index 64a783f01..000000000
Binary files a/g/.DS_Store and /dev/null differ
diff --git a/g/database/.DS_Store b/g/database/.DS_Store
deleted file mode 100644
index f8c118ae1..000000000
Binary files a/g/database/.DS_Store and /dev/null differ
diff --git a/g/database/gdb/gdb.go b/g/database/gdb/gdb.go
index 9c33cddb4..d473308dc 100644
--- a/g/database/gdb/gdb.go
+++ b/g/database/gdb/gdb.go
@@ -209,12 +209,9 @@ func getConfigNodeByPriority(cg ConfigGroup) *ConfigNode {
 func newDb(masterNode *ConfigNode, slaveNode *ConfigNode, groupName string) (*Db, error) {
 	var link Link
 	switch masterNode.Type {
-	case "mysql":
-		link = linkMysql
-	case "pgsql":
-		link = linkPgsql
-	case "sqlite":
-		link = linkSqlite
+	case "mysql":link = linkMysql
+	case "pgsql":link = linkPgsql
+	case "sqlite":link = linkSqlite
 	default:
 		return nil, errors.New(fmt.Sprintf("unsupported db type '%s'", masterNode.Type))
 	}