fix: 404 not found

Dockerfile

@@ -45,12 +45,12 @@ http {
 
   map "$http_sec_fetch_mode:$http_sec_fetch_dest:$http_referer:$http_user_agent" $is_download_request {
     default 0;
-    ~^navigate: 1;
-    ~^::: 1;
     ~*aria2 1;
     ~*curl 1;
     ~*rclone 1;
     ~*wget 1;
+    ~^::: 1;
+    ~^navigate: 1;
   }
 
   map $uri $download_filename {
@@ -58,6 +58,15 @@ http {
     ~.*/([^/]+)$ $1;
   }
 
+  map $uri $looks_like_direct_file {
+    default 1;
+    / 0;
+    /favicon.ico 0;
+    /robots.txt 0;
+    ~/$ 0;
+    ~^/\. 0;
+  }
+
   server {
     listen 7860;
     server_name _;
@@ -67,7 +76,7 @@ http {
       set $redirect_file "";
       if ($request_method = GET) { set $redirect_file A; }
       if ($args = "") { set $redirect_file ${redirect_file}B; }
-      if (-f $request_filename) { set $redirect_file ${redirect_file}C; }
+      if ($looks_like_direct_file = 1) { set $redirect_file ${redirect_file}C; }
       if ($is_download_request = 1) { set $redirect_file ${redirect_file}D; }
       if ($redirect_file = ABCD) {
         add_header Content-Disposition "attachment; filename=\"$download_filename\"" always;