diff --git a/src/pages/gxmu/review-list.vue b/src/pages/gxmu/review-list.vue
index 9a2c49f..2a1685d 100644
--- a/src/pages/gxmu/review-list.vue
+++ b/src/pages/gxmu/review-list.vue
@@ -213,7 +213,8 @@
         <textarea
           class="action-textarea"
           :value="actionContent"
-          placeholder="请输入审核意见（非必填）"
+          :maxlength="500"
+          placeholder="请输入审核意见（必填）"
           placeholder-style="color:#a8b2bf;"
           @input="handleActionInput"
         />
@@ -623,6 +624,11 @@ export default {
         this.showToast('当前记录不是由你审核')
         return
       }
+      const content = String(this.actionContent || '').trim()
+      if (!content) {
+        this.showToast('请输入审核意见')
+        return
+      }
       this.submitting = true
       try {
         await updateReviewList({
@@ -631,7 +637,7 @@ export default {
           module: target.module,
           pk: target.pk,
           sortNumber: target.sortNumber,
-          content: String(this.actionContent || '').trim() || undefined
+          content
         })
         this.showToast('审核已提交')
         this.closeActionModal()