diff --git a/common/global_parameter.py b/common/global_parameter.py
index 80380f8bdb1f2ef620d9e9c75b218c7b91776a15..2524b640ffc230e0ceae8ced1dccf82b0094b169 100644
--- a/common/global_parameter.py
+++ b/common/global_parameter.py
@@ -26,7 +26,11 @@ class GlobalParameter:
         self.g_mem_interval = GlobalCall.get_json_value("Getting.Common.Memory.interval", 1, Config.get_json_dict())
         # 默认执行5次
         self.g_mem_times    = GlobalCall.get_json_value("Getting.Common.Memory.times"   , 5, Config.get_json_dict())
-    
+
+        # *-----------------------get disk info-------------------
+        # 默认时间间隔为1s
+        self.g_disk_interval = GlobalCall.get_json_value("Getting.Common.Disk.interval", 1, Config.get_json_dict())
+
     # -------------------cpu parameters----------------------- 
     @property
     def get_cpu_interval(self):
@@ -44,4 +48,8 @@ class GlobalParameter:
     @property
     def get_mem_times(self):
         return self.g_mem_times
-    
+
+    # -------------------disk parameters----------------------- 
+    @property
+    def get_disk_interval(self):
+        return self.g_disk_interval