diff --git a/pkg/watcher/coach.go b/pkg/watcher/coach.go
index ecb1718..ae579aa 100644
--- a/pkg/watcher/coach.go
+++ b/pkg/watcher/coach.go
@@ -40,7 +40,9 @@ func (c *CoachOutlet) SetOption(cfg model.WatchInfo) {
 }
 
 func (c *CoachOutlet) Cancel() {
-	c.cancel()
+	if c.cancel != nil {
+		c.cancel()
+	}
 }
 
 func (c *CoachOutlet) Restart() {
diff --git a/pkg/watcher/controller.go b/pkg/watcher/controller.go
index 20c88fa..8c8528f 100644
--- a/pkg/watcher/controller.go
+++ b/pkg/watcher/controller.go
@@ -127,7 +127,7 @@ func (c *Controller) List(req ListWatcherInfoRequest) (resp web.ListResponse[mod
 	}
 	offset := (req.Page - 1) * req.Size
 
-	if err = tx.Order("created_at desc").Limit(req.Size).Offset(offset).
+	if err = tx.Order("created_at desc").Limit(req.Size).Offset(offset).Preload("Pushers").
 		Find(&resp.List).Error; err != nil {
 		return resp, fmt.Errorf("查询列表失败：%v", err)
 	}
@@ -146,7 +146,7 @@ func (c *Controller) Delete(uid string) error {
 
 func (c *Controller) Stop(uid string) error {
 	c.lock.RLock()
-	if watcher, ok := c.m[uid]; ok {
+	if watcher, ok := c.m[uid]; ok && watcher != nil {
 		watcher.Cancel()
 	}
 	c.lock.RUnlock()