Update app.py

app.py

@@ -401,31 +401,32 @@ with demo:
         # ===============================
     # 추가: BPM 표시 및 실시간 업데이트 (Frond-end JavaScript)
     # ===============================
-    gr.HTML("""
+    gr.HTML(f"""
         <div style='font-size:22px; font-weight:bold; margin-top:20px;'>
             ❤️ Heart Rate (BPM): 
             <span id="bpm_display">--</span>
         </div>
-
+    
         <script>
-        async function getBPM() {
-            try {
-                const res = await fetch("https://liminal-unbiasedly-adah.ngrok-free.dev/get_bpm");
+        async function getBPM() {{
+            try {{
+                const res = await fetch("http://localhost:8000//get_bpm");
                 const data = await res.json();
                 return data.bpm;
-            } catch (err) {
+            }} catch (err) {{
                 console.log("BPM fetch error:", err);
                 return "--";
-            }
-        }
-
-        setInterval(async () => {
+            }}
+        }}
+    
+        setInterval(async () => {{
             const bpm = await getBPM();
             document.getElementById("bpm_display").innerText = bpm;
-        }, 1000);
+        }}, 1000);
         </script>
     """)
 
 
+
 if __name__ == "__main__":
     demo.launch()