fix url

liuxiaolong

2019-08-09 36e7d0195091112dff195ab2f9952dc9b748fd04

 cameraTaskArgsApi.go

@@ -33,7 +33,7 @@
   paramBody :=make(map[string]interface{},0)
   paramBody["groupId"] = groupId
   paramBody["defenceState"] = defenceState
   respBody, err := client.DoPostRequest(url,CONTENT_TYPE_JSON,paramBody,nil,nil)
   respBody, err := client.DoPostRequest(url,CONTENT_TYPE_FORM,paramBody,nil,nil)
   if err != nil {
      return false,nil
   }