fix: 修复微信 App 支付参数异常问题

[yansongda]

fix: #940

[netlify[bot]]

✅ Deploy Preview for pay-yansongda canceled.

Name	Link
🔨 Latest commit	e428befafba325461621170c4343871190f07e94
🔍 Latest deploy log	https://app.netlify.com/sites/pay-yansongda/deploys/65d8190568f4ac0008bac939

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 97.62%. Comparing base (2ba4542) to head (e428bef). Report is 1 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #941 +/- ## ========================================= Coverage 97.62% 97.62% Complexity 897 897 ========================================= Files 343 343 Lines 6180 6180 ========================================= Hits 6033 6033 Misses 147 147 ```

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