There may be the following reasons, please check for yourself, or you can contact Chibo to contact the after-sales personnel. Error prompt: JSapi calling for payment is missing parameter: total_fee 1) In general, the KEY in the WeChat payment setting in the mall background is inconsistent with the API key set in the WeChat payment merchant background, and needs to be reset. 2) Check whether the authorization directory setting of WeChat payment merchant background is correct. 3) Check the background of WeChat payment merchants. Is the JSAPI in the product center enabled? The payment authority of JSAPI is frozen. The reason why this permission is frozen needs to consult WeChat. It may be that there is no transaction for 12 months, which will also cause the permission to freeze. 5) Check whether the WeChat payment merchant number associated with the official WeChat account background matches the merchant number filled in by the micro-distribution system. 6) Confirm whether the WeChat sub-account is enabled in the background of the mall. Do not enable this sub-account function in the merchant background. 7) Confirm whether it is a special merchant.