diff --git a/handler/tool.go b/handler/tool.go
index 50d3e35..fda3f12 100644
--- a/handler/tool.go
+++ b/handler/tool.go
@@ -68,17 +68,17 @@ func GetVideoStream(c *gin.Context) {
 	var req videoStreamReq
 	id, _ := c.Get("id")
 	id1 := id.(int)
-	//校验权限
-	device := service.GetDevice(req.ID, id1)
-	if device.ID == 0 {
-		c.JSON(400, gin.H{"error": "device not exist"})
-		return
-	}
-
+	//将请求query绑定到结构体
 	if err := c.ShouldBind(&req); err != nil {
 		c.JSON(400, gin.H{"error": err.Error()})
 		return
 	} else {
+		//校验权限
+		device := service.GetDevice(req.ID, id1)
+		if device.ID == 0 {
+			c.JSON(400, gin.H{"error": "device not exist"})
+			return
+		}
 		//查看id是否存在
 		index := -1
 		for _, device := range proto.Config.DeviceInfo {
diff --git a/main.go b/main.go
index aa98516..1a54e75 100644
--- a/main.go
+++ b/main.go
@@ -71,12 +71,13 @@ func init() {
 	if err != nil {
 		panic("failed to read config file:" + err.Error())
 	}
+	service.DeviceCurrentFrameMap = map[int]gocv.Mat{}
 	for _, device := range proto.Config.DeviceInfo {
 		//service.DeviceRWMap[device.ID] = sync.RWMutex{}
 		//service.DeviceCurrentFrameMap[device.ID] = gocv.NewMat()
 		//service.DeviceIsGettingFrame[device.ID] = false
 		service.DeviceRWMap.Store(device.ID, &sync.RWMutex{})
-		service.DeviceCurrentFrameMap.Store(device.ID, gocv.NewMat())
+		service.DeviceCurrentFrameMap[device.ID] = gocv.NewMat()
 		service.DeviceFrameCount.Store(device.ID, 0)
 		service.DeviceIsGettingFrame.Store(device.ID, false)
 	}