fix form

Author: xlorne

mobile-ui/src/components/form/captcha.tsx

@@ -10,8 +10,10 @@ const FormCaptcha: React.FC<FormItemProps> = (props) => {
 
     const reloadCaptcha = () => {
         props.onCaptchaRefresh && props.onCaptchaRefresh().then((res) => {
-            setCaptchaImg(res.url);
-            props.onCaptchaChange && props.onCaptchaChange(res.code);
+            if(res) {
+                setCaptchaImg(res.url);
+                props.onCaptchaChange && props.onCaptchaChange(res.code);
+            }
         });
     }
 

mobile-ui/src/components/form/types.tsx

@@ -139,7 +139,7 @@ export interface FormItemProps {
         code: string;
         // 验证码图片地址
         url: string;
-    }>;
+    } | null>;
     // 文件上传事件
     onUploaderUpload?: (filename: string, base64: string) => Promise<{
         // 文件id