修复bug

app/service/stage_change_final.js

@@ -62,7 +62,7 @@ module.exports = app => {
                     qty: c.qty,
                 });
             }
-            await transaction.insert(this.tableName, data);
+            if (data.length > 0) await transaction.insert(this.tableName, data);
         }
 
         /**