diff --git a/client/demo/dist/assets/gui_settings/GUI.json b/client/demo/dist/assets/gui_settings/GUI.json
index ccf3be9e..e234f1a4 100644
--- a/client/demo/dist/assets/gui_settings/GUI.json
+++ b/client/demo/dist/assets/gui_settings/GUI.json
@@ -21,7 +21,7 @@
             {
                 "name": "configArea",
                 "options": {
-                    "detectors": ["dio", "harvest", "crepe", "crepe_full", "crepe_tiny", "rmvpe", "rmvpe_onnx"],
+                    "detectors": ["dio", "harvest", "crepe", "crepe_full", "crepe_tiny", "rmvpe", "rmvpe_onnx", "fcpe"],
                     "inputChunkNums": [1, 2, 4, 6, 8, 16, 24, 32, 40, 48, 64, 80, 96, 112, 128, 192, 256, 320, 384, 448, 512, 576, 640, 704, 768, 832, 896, 960, 1024, 2048, 4096, 8192, 16384]
                 }
             }