diff --git a/cocoscreator_projects/YouleNexus/assets/framework/config/remote-config.ts b/cocoscreator_projects/YouleNexus/assets/framework/config/remote-config.ts
index 0e7e18f..8e7e5b7 100644
--- a/cocoscreator_projects/YouleNexus/assets/framework/config/remote-config.ts
+++ b/cocoscreator_projects/YouleNexus/assets/framework/config/remote-config.ts
@@ -69,7 +69,7 @@ function normalizeWebSocketUrl(value: string): string {
   }
   try {
     const parsed = new URL(url);
-    if (!value || /\s/.test(value) || !parsed.hostname || parsed.username || parsed.password
+    if (!value || /\s/.test(value) || url.includes('#') || !parsed.hostname || parsed.username || parsed.password
       || (parsed.protocol !== 'ws:' && parsed.protocol !== 'wss:')) throw new Error('invalid');
   } catch {
     throw new ConfigParseError('Invalid remote server: malformed WebSocket URL');
diff --git a/cocoscreator_projects/framework-tests/config/remote-config.test.ts b/cocoscreator_projects/framework-tests/config/remote-config.test.ts
index 2e998f4..29e977e 100644
--- a/cocoscreator_projects/framework-tests/config/remote-config.test.ts
+++ b/cocoscreator_projects/framework-tests/config/remote-config.test.ts
@@ -66,3 +66,11 @@ test('missing or invalid chosen servers never fall back to obsolete envelope or
     assert.throws(() => api.parseUrlServers(view(raw)), api.ConfigParseError);
   }
 });
+
+test('WebSocket fragments including an empty trailing marker fail at the config boundary', () => {
+  for (const address of ['ws://127.0.0.1:3088/#invalid', 'wss://example.test/#', 'example.test:3088#']) {
+    assert.throws(() => api.parseUrlServers(view({ player_server_tcp: address })), api.ConfigParseError);
+  }
+  assert.deepEqual(api.parseUrlServers(view({ player_server_tcp: 'wss://example.test/path%23part' })),
+    ['wss://example.test/path%23part']);
+});