Fix a fatal bug.

rest/matter_controller.go

@@ -273,7 +273,12 @@ func (this *MatterController) Crawl(writer http.ResponseWriter, request *http.Re
 	user := this.checkUser(writer, request)
 	if user.Role != USER_ROLE_ADMINISTRATOR {
 		userUuid = user.Uuid
+	} else {
+		if userUuid == "" {
+			userUuid = user.Uuid
 		}
+	}
+
 	user = this.userDao.CheckByUuid(userUuid)
 
 	puuid := request.FormValue("puuid")

rest/user_dao.go

@@ -45,6 +45,10 @@ func (this *UserDao) FindByUuid(uuid string) *User {
 //按照Id查询用户,找不到抛panic
 func (this *UserDao) CheckByUuid(uuid string) *User {
 
+	if uuid == "" {
+		panic("uuid必须指定")
+	}
+
 	// Read
 	var user *User = &User{}
 	db := this.context.DB.Where(&User{Base: Base{Uuid: uuid}}).First(user)