local post_data = ngx.req.get_body_data()

    --[[ngx.log(ngx.ERR, 'post data:', post_data)]]

    local ok, res_tab = pcall(cjson.decode, post_data)

    if not ok then

        ngx.log(ngx.ERR, 'post data is not json!', post_data)

        get_respone(Result_Code.Error)

        return

    end

    -- 真正判断是否json

    post_data = string.gsub(post_data,"\"{","{")

    post_data = string.gsub(post_data,"}\"","}")

    post_data = string.gsub(post_data,"\\","")

    local ok, res_tab = pcall(cjson.decode, post_data)

    if not ok then

        ngx.log(ngx.ERR, 'post data is not json!', post_data)

        get_respone(Result_Code.Error)

        return

    end