set default main db

database/init.go

@@ -26,11 +26,16 @@ func InitDB() (err error) {
 	if len(databases) == 1 {
 		consts.DefaultSchema = databases[0].Name
 	} else {
+		found := false
 		for _, db := range databases {
 			if db.Default {
 				consts.DefaultSchema = db.Name
+				found = true
 			}
 		}
+		if !found {
+			consts.DefaultSchema = databases[0].Name
+		}
 	}
 	for _, db := range databases {
 		switch strings.ToLower(db.Driver) {