diff --git a/service/tool.go b/service/tool.go
index ad7751e..f025a23 100644
--- a/service/tool.go
+++ b/service/tool.go
@@ -129,6 +129,12 @@ func GetVideoStream(id int) {
 			log.Println("device:", id, " not found")
 			break
 		}
+
+		if DeviceIsGettingFrame[id] == true {
+			log.Println("for device:", id, " is running!")
+			break
+		}
+
 		if device.NextStop {
 			DeviceIsGettingFrame[id] = false
 			break
@@ -139,6 +145,8 @@ func GetVideoStream(id int) {
 		log.Println("device:", device.ID, " set control info status:", status)
 		getVideoFrame(device)
 		DeviceIsGettingFrame[id] = false //停止之后，设置已停止信息
+		//等待1s
+		time.Sleep(1 * time.Second)
 	}
 
 }