Feat: Translate the system prompt of the generate operator #3993 (#4283)

### What problem does this PR solve?

 Feat: Translate the system prompt of the generate operator #3993

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/locales/zh.ts

@@ -1076,6 +1076,7 @@ export default {
       },
       addVariable: '新增变量',
       variableSettings: '变量设置',
+      systemPrompt: '系统提示词',
     },
     footer: {
       profile: 'All rights reserved @ React',