Yii2：未捕获的参考错误

i have this weird problem. in my yii2 update.

i didn't change any lines on update function. i can update the record but when i submit the form it stays on where it is. but when i back to index the record successfully updated.

here is the screenshot from google chrome developer tool:

here is the screenshot of js developer tool being said:

i don't have enough knowledge regarding with jquery.

thank you for your advice.

Hello its not yii problem but it is jquery conflict problem and load jquery file problem