public async Task<RedisResult> Test()
        {
　　　　　　//EVAL
            string lua = @"local result={}
                for i, v in ipairs(KEYS) do
                    result[i] = redis.call('hgetall',v) 
                end
                return result";
            var res1 = LuaScript.GetCachedScriptCount();
            var res = await _client.ScriptEvaluateAsync(lua, new RedisKey[] { "people:1", "people:2", "people:3" });
　　　　　　
　　　　　　　//EVALSHA

            var prepared = LuaScript.Prepare(lua);
            var loaded =
               await prepared.LoadAsync(
                    RedisConnection.GenerateConnection.GetServer(RedisConnection.GenerateConnection.GetEndPoints().First()));
            var res2 = await loaded.EvaluateAsync(_client, new RedisKey[] { "people:1", "people:2", "people:3" });
            var res3 = LuaScript.GetCachedScriptCount();
            var res4 = await loaded.EvaluateAsync(_client, new RedisKey[] { "people:1", "people:2", "people:3" });

            return res;
        }