Feat: Fixed the chat model setting echo issue (#9521)

### What problem does this PR solve?

Feat: Fixed the chat model setting echo issue

### Type of change


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

web/src/pages/agent/hooks/use-agent-tool-initial-values.ts

@@ -54,6 +54,8 @@ export function useAgentToolInitialValues() {
           return pick(initialValues, 'top_n');
         case Operator.WenCai:
           return pick(initialValues, 'top_n', 'query_type');
+        case Operator.Code:
+          return {};
 
         default:
           return initialValues;