diff --git a/src/views/match/manage/work.vue b/src/views/match/manage/work.vue
index a940fe0..bbc6631 100644
--- a/src/views/match/manage/work.vue
+++ b/src/views/match/manage/work.vue
@@ -1220,8 +1220,8 @@ const viewCertificate = async (id) => {
     try {
         const { succeeded, data, errors } = await eventscoreGetCertificateDetailGet(id);
         if (succeeded) {
-            if (data?.CertificateUrl) {
-                window.open(data.CertificateUrl, '_blank');
+            if (data?.certificateUrl) {
+                window.open(data.certificateUrl, '_blank');
             } else if (data?.url) {
                 window.open(data.url, '_blank');
             } else if (data?.Url) {
diff --git a/src/views/user/registration/index.vue b/src/views/user/registration/index.vue
index d17efaa..6768d2f 100644
--- a/src/views/user/registration/index.vue
+++ b/src/views/user/registration/index.vue
@@ -829,6 +829,17 @@ const toggleGroupSelection = (id) => {
 	if (idx >= 0) {
 		// 取消选中
 		selectedGroupIds.value.splice(idx, 1);
+		// 若在第二步删除了组别，清理该组别的验证缓存并重新触发验证
+		if (activeStep.value === 1) {
+			// 清理被删除组别的队员验证缓存
+			Object.keys(memberValidationMap.value).forEach(key => {
+				if (key.startsWith(`${id}_`)) {
+					delete memberValidationMap.value[key];
+				}
+			});
+			// 重新检查报名限制（刷新页面上的提示信息）
+			checkRegistrationLimit();
+		}
 	} else {
 		// 选中新组别：先找出这个组别属于哪个项目，然后取消该项目的其他组别
 		const clickedGroup = allGroups.value.find(g => g.id === id);