change emerg to a warn for absolute index
diff --git a/src/http/modules/ngx_http_index_module.c b/src/http/modules/ngx_http_index_module.c
index bad1de3..2863ff4 100644
--- a/src/http/modules/ngx_http_index_module.c
+++ b/src/http/modules/ngx_http_index_module.c
@@ -473,10 +473,9 @@
 
     for (i = 1; i < cf->args->nelts; i++) {
         if (value[i].data[0] == '/' && i != cf->args->nelts - 1) {
-            ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+            ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
                                "only the last index in \"index\" directive "
-                               "may be absolute");
-            return NGX_CONF_ERROR;
+                               "should be absolute");
         }
 
         if (value[i].len == 0) {