diff --git a/app.py b/app.py
index c67bda2..cc9bbcc 100644
--- a/app.py
+++ b/app.py
@@ -36,7 +36,7 @@ def connect_server():
 
 #endregion
 
-def get_gpus_info(client, timeout):
+def get_gpus_info(client, timeout, info_list:list=None):
     try:
         cmd = 'nvidia-smi --query-gpu=index,name,memory.total,memory.used,memory.free,utilization.gpu,utilization.memory,temperature.gpu --format=csv'
 
@@ -81,9 +81,11 @@ def get_gpus_info(client, timeout):
 
         return result
     except Exception as e:
+        if info_list is not None:
+            info_list.append(f'gpus: {e}')
         None
 
-def get_storage_info(client, timeout, path_list):
+def get_storage_info(client, timeout, path_list, info_list:list=None):
     try:
         result = []
         for target_path in path_list:
@@ -100,9 +102,11 @@ def get_storage_info(client, timeout, path_list):
             result.append(tmp_res)
         return result
     except Exception as e:
+        if info_list is not None:
+            info_list.append(f'storage: {e}')
         return None
 
-def get_memory_info(client, timeout):
+def get_memory_info(client, timeout, info_list:list=None):
     try:
         stdin, stdout, stderr = client.exec_command('free', timeout=timeout)
         output = stdout.read().decode().split('\n')[1]
@@ -116,6 +120,8 @@ def get_memory_info(client, timeout):
 
         return result
     except Exception as e:
+        if info_list is not None:
+            info_list.append(f'memory: {e}')
         return None
 
 # 持续获取一个服务器的信息
@@ -143,12 +149,13 @@ def keep_check_one(server: dict, shared_data_list: dict, server_title: str, inte
             keep_run = True
             while keep_run:
                 try:
+                    error_info_list = []
                     # gpu 信息
-                    gpu_info = get_gpus_info(client, interval*3)
+                    gpu_info = get_gpus_info(client, interval*3, info_list=error_info_list)
                     # 存储空间信息
-                    storage_info = get_storage_info(client, interval*3, server['storage_list'])
+                    storage_info = get_storage_info(client, interval*3, server['storage_list'], info_list=error_info_list)
                     # 内存信息
-                    memory_info = get_memory_info(client, interval*3)
+                    memory_info = get_memory_info(client, interval*3, info_list=error_info_list)
 
                     # 记录信息
                     with data_list_lock:
@@ -157,6 +164,8 @@ def keep_check_one(server: dict, shared_data_list: dict, server_title: str, inte
                         shared_data_list[server_title]['memory_info'] = memory_info
                         shared_data_list[server_title]['updated'] = True
                         shared_data_list[server_title]['maxGPU'] = len(gpu_info)
+                        if len(error_info_list) > 0:
+                            shared_data_list[server_title]['err_info'] = '\n'.join(error_info_list)
 
                 except Exception as e:
                     keep_run = False