Encryption of Chengdu Provident Fund app parameters failed.

The subject wants to ask "Why did the encryption of Chengdu Provident Fund app parameters fail"? Network problem, provident fund app version problem.

1. Network problem: parameter encryption failed due to unstable network connection or poor network signal.

2. Version problem of provident fund app: The version of provident fund app is too low, and there is compatibility problem, which leads to the failure of parameter encryption.