nginx buf issue

[evely211]

I download the latest version of the form-input-nginx-module

I add 251 line ngx_log_debug(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "get buf :[%s]", buf);
in this function ngx_http_form_input_arg

The first time when I post "set_form_input = server" data, print the result: get buf :[set_form_input=server]
When the second time I post "set_form_input = idc" data, the second printing result is: get buf :[set_form_input=idcver]

The cache residual ver

Trouble could you tell me how to solve. Thank you very much

[evely211]

Thank you very much!Has found a solution