diff --git a/apps/device/api/device_cmd.go b/apps/device/api/device_cmd.go
index d0f46da..77f270c 100644
--- a/apps/device/api/device_cmd.go
+++ b/apps/device/api/device_cmd.go
@@ -49,6 +49,7 @@ func (p *DeviceCmdLogApi) InsertDeviceCmdLog(rc *restfulx.ReqCtx) {
 	ms := make(map[string]interface{})
 	err := json.Unmarshal([]byte(data.CmdContent), &ms)
 	biz.ErrIsNil(err, "指令格式不正确")
+	biz.IsTrue(len(ms) > 0, "指令格式不正确")
 	data.Id = model2.GenerateID()
 	data.State = "2"
 	data.RequestTime = time.Now().Format("2006-01-02 15:04:05")