diff --git a/src/pages-sub/realname/index.vue b/src/pages-sub/realname/index.vue
index cf31773..ba85b31 100644
--- a/src/pages-sub/realname/index.vue
+++ b/src/pages-sub/realname/index.vue
@@ -143,7 +143,7 @@ const onSubmit = mergeStep(async () => {
     return
   }
 
-  if (!/^\d{17}[\d|x]$/.test(form.value.cardnum)) {
+  if (!/^\d{17}[\d|x]$/i.test(form.value.cardnum)) {
     await showModal('身份证号格式错误')
     return
   }