diff --git a/backend/services/plugin/config_test.go b/backend/services/plugin/config_test.go
index 79d45e3..377f355 100644
--- a/backend/services/plugin/config_test.go
+++ b/backend/services/plugin/config_test.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"path/filepath"
+	"strings"
 	"testing"
 	"time"
 
@@ -202,6 +203,40 @@ func TestWeChatTestMessagesAreRateLimitedPerAccount(t *testing.T) {
 	}
 }
 
+func TestWeChatBindingCancellationAllowsExpiredAndMissingTickets(t *testing.T) {
+	service, engine := newPluginConfigService(t)
+	user := insertPluginTestUser(t, engine, "wechat-cancel", access.RoleSuperAdmin)
+	actor := NotificationBindingActor{UserID: user.ID, SessionHash: strings.Repeat("a", 64),
+		SessionVersion: user.SessionVersion, SecurityVersion: user.SecurityVersion}
+	service.wechatBindings = map[string]weChatBinding{
+		"expired": {Actor: actor, Status: WeChatBindingStatus{ExpiresAt: time.Now().Add(-time.Minute)}},
+	}
+	otherActor := actor
+	otherActor.SessionHash = strings.Repeat("b", 64)
+	if err := service.CancelWeChatBinding(otherActor, "expired"); !errors.Is(err, ErrWeChatBinding) {
+		t.Fatalf("不得撤销其他会话的绑定：%v", err)
+	}
+	if len(service.wechatBindings) != 1 {
+		t.Fatal("其他会话的取消请求不应删除原绑定")
+	}
+	if err := service.CancelWeChatBinding(actor, "expired"); err != nil {
+		t.Fatalf("过期请求应允许取消：%v", err)
+	}
+	if len(service.wechatBindings) != 0 {
+		t.Fatal("已取消的绑定不应残留")
+	}
+	if err := service.CancelWeChatBinding(actor, "expired"); err != nil {
+		t.Fatalf("重复取消应保持幂等：%v", err)
+	}
+	if err := service.CancelWeChatBinding(actor, "missing"); err != nil {
+		t.Fatalf("不存在的请求应允许关闭：%v", err)
+	}
+	actor.SecurityVersion++
+	if err := service.CancelWeChatBinding(actor, "missing"); !errors.Is(err, ErrWeChatBinding) {
+		t.Fatalf("幂等取消仍必须验证当前账户和会话：%v", err)
+	}
+}
+
 func TestEveryRoleKeepsIndependentOwnTelegramSettings(t *testing.T) {
 	service, engine := newPluginConfigService(t)
 	var users []models.User
diff --git a/backend/services/plugin/wechat_binding.go b/backend/services/plugin/wechat_binding.go
index d605210..b6496e2 100644
--- a/backend/services/plugin/wechat_binding.go
+++ b/backend/services/plugin/wechat_binding.go
@@ -152,12 +152,16 @@ func (s *ConfigService) GetWeChatBinding(actor NotificationBindingActor, ticket
 }
 
 func (s *ConfigService) CancelWeChatBinding(actor NotificationBindingActor, ticket string) error {
-	if _, err := s.GetWeChatBinding(actor, ticket); err != nil {
+	if err := s.validateBindingActor(actor); err != nil {
 		return err
 	}
 	s.bindingMu.Lock()
+	defer s.bindingMu.Unlock()
+	// 过期、回调失败或重复取消都允许关闭页面，但不得撤销其他会话的请求。
+	if binding, found := s.wechatBindings[ticket]; found && binding.Actor != actor {
+		return ErrWeChatBinding
+	}
 	delete(s.wechatBindings, ticket)
-	s.bindingMu.Unlock()
 	return nil
 }
 
diff --git a/test/frontend/plugin-navigation.test.mjs b/test/frontend/plugin-navigation.test.mjs
index 5b8e536..d6844c1 100644
--- a/test/frontend/plugin-navigation.test.mjs
+++ b/test/frontend/plugin-navigation.test.mjs
@@ -121,6 +121,8 @@ test('未知插件只使用安全名称生成隔离页面，内置插件别名
   assert.doesNotMatch(template, /allow-same-origin|v-for=".*pluginEntries/)
   assert.match(template, /:key="selectedSection"[\s\S]*:page-key="selectedSection"/)
   assert.match(template, /defineExpose\(\{ beforeLeave \}\)/)
+  assert.match(template, /<TelegramSettings v-else-if="activePage\?\.value === 'telegram-user'"/)
+  assert.match(template, /<WeChatSettings v-else-if="activePage\?\.value === 'wechat-user'"/)
 })
 
 test('插件列表故障不隐藏三个运行配置页，支持重试并丢弃卸载后的响应', async () => {