diff --git a/src/views/user/registration/index.vue b/src/views/user/registration/index.vue
index 1929787..390e27a 100644
--- a/src/views/user/registration/index.vue
+++ b/src/views/user/registration/index.vue
@@ -1749,14 +1749,18 @@ const validateMemberForGroup = async (member, group) => {
 	}
 
 	try {
+		const validationMemberIds = getValidationMemberIdsForGroup(member, group);
 		const { succeeded, data } = await usereventregistrationMemberValidatePost({
 			eventId: currentEventId.value,
 			memberId: member.userId ?? member.id,
-			memberIds: getValidationMemberIdsForGroup(member, group),
+			memberIds: validationMemberIds,
 			groupId: group.id
 		});
 
 		if (succeeded && data) {
+			validationMemberIds.forEach(memberId => {
+				delete memberValidationMap.value[`${group.id}_${memberId}`];
+			});
 			const key = `${group.id}_${member.userId ?? member.id}`;
 			memberValidationMap.value[key] = data;
 			return data;
@@ -1788,27 +1792,22 @@ const validateAllMembers = async () => {
 			const isMultiTeamMode = isTeamProject(group) && groupTeamsMap.value[gId] &&
 				(groupTeamsMap.value[gId].length > 1 || getGroupMaxTeams(gId) > 1);
 
-			let membersToValidate = [];
-
 			if (isMultiTeamMode) {
-				// 多团队模式：收集所有团队的队员
+				// 多团队模式：每支队伍都需要独立校验
 				for (const team of groupTeamsMap.value[gId]) {
-					membersToValidate = membersToValidate.concat(team.members);
+					const teamMembers = team.members ?? [];
+					if (teamMembers.length > 0) {
+						hasAnyMembers = true;
+						validationTasks.push(validateMemberForGroup(teamMembers[teamMembers.length - 1], group));
+					}
 				}
 			} else {
-				// 单团队模式
-				membersToValidate = groupMemberMap.value[gId] || [];
+				const groupMembers = groupMemberMap.value[gId] ?? [];
+				if (groupMembers.length > 0) {
+					hasAnyMembers = true;
+					validationTasks.push(validateMemberForGroup(groupMembers[groupMembers.length - 1], group));
+				}
 			}
-
-			if (membersToValidate.length > 0) {
-				hasAnyMembers = true;
-			}
-
-			// // 为每个队员创建验证任务
-			// for (const member of membersToValidate) {
-			// 	validationTasks.push(validateMemberForGroup(member, group));
-			// }
-			validationTasks.push(validateMemberForGroup(membersToValidate[membersToValidate.length - 1], group));
 		}
 
 		// 并行执行所有验证任务
@@ -1909,7 +1908,7 @@ const hasValidationErrorsForGroup = (group) => {
 
 // 检查是否有任何验证错误
 const hasAnyValidationErrors = () => {
-	return Object.values(memberValidationMap.value).some(result => result?.isValid === false);
+	return selectedGroupItems.value.some(group => hasValidationErrorsForGroup(group));
 };
 
 // 检查是否有任何报名限制
@@ -2022,6 +2021,7 @@ const assignMemberToActiveGroup = (member) => {
 const removeMemberFromGroup = (groupId, memberId) => {
 	if (!groupMemberMap.value[groupId]) return;
 	groupMemberMap.value[groupId] = groupMemberMap.value[groupId].filter((m) => (m.userId ?? m.id) !== memberId);
+	delete memberValidationMap.value[`${groupId}_${memberId}`];
 
 	// 触发实时验证
 	debounceValidateAllMembers();
@@ -2226,6 +2226,7 @@ const removeMemberFromTeam = (groupId, teamIndex, memberId) => {
 	if (!team) return;
 
 	team.members = team.members.filter((m) => (m.userId ?? m.id) !== memberId);
+	delete memberValidationMap.value[`${groupId}_${memberId}`];
 
 	// 触发实时验证
 	debounceValidateAllMembers();