diff --git a/httpd-2.4.59/modules/proxy/mod_proxy.c b/httpd-2.4.59/modules/proxy/mod_proxy.c
index 7532c15..c9cef7c 100644
--- a/httpd-2.4.59/modules/proxy/mod_proxy.c
+++ b/httpd-2.4.59/modules/proxy/mod_proxy.c
@@ -1221,7 +1221,7 @@ static int proxy_fixup(request_rec *r)
         return DECLINED;
 
     /* XXX: Shouldn't we try this before we run the proxy_walk? */
-    url = &r->filename[6]; /* CVE: how filename is construct ? If filename is NULL crash here ???? Or len is less than 6 ?*/
+    url = &r->filename[6];
 
     if ((dconf->interpolate_env == 1) && (r->proxyreq == PROXYREQ_REVERSE)) {
         /* create per-request copy of reverse proxy conf,
@@ -1313,14 +1313,13 @@ static int proxy_handler(request_rec *r)
         return DECLINED;
     }
 
-    if (!r->proxyreq) { // Equal 0
+    if (!r->proxyreq) {
         /* We may have forced the proxy handler via config or .htaccess */
         if (r->handler &&
             strncmp(r->handler, "proxy:", 6) == 0 &&
             strncmp(r->filename, "proxy:", 6) != 0) {
             r->proxyreq = PROXYREQ_REVERSE;
-            r->filename = apr_pstrcat(r->pool, r->handler, r->filename, NULL); /* CVE: can return NULL ???? */
-            /* If r->pool has been destroyed, the result can be NULL ??? */
+            r->filename = apr_pstrcat(r->pool, r->handler, r->filename, NULL);
         }
         else {
             return DECLINED;
@@ -1408,7 +1407,7 @@ static int proxy_handler(request_rec *r)
         }
     }
 
-    uri = r->filename + 6; // If NULL ??
+    uri = r->filename + 6;
     p = strchr(uri, ':');
     if (p == NULL) {
         ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01141)