Update app.py

app.py

@@ -12,8 +12,14 @@ model.eval()
 # 推理函数
 def predict(file):
     # 读取上传的 JSON 文件
-    with open(file.name, "r") as f:
-        data = json.load(f)
+    try:
+        with open(file.name, "r") as f:
+            data = json.load(f)
+        
+        # Process the data (example: return the file content length)
+        return f"File successfully processed. Content: {len(data)} items."
+    except Exception as e:
+        return f"Error processing file: {str(e)}"
 
     # 确保 JSON 格式正确
     channels = ["AccelX", "AccelY", "AccelZ", "GyroX", "GyroY", "GyroZ"]