diff --git a/category/get_perf_info.py b/category/get_perf_info.py
index 92afcc825b617bc006ad744c6317c4d8c6b386e8..63d976c0bc517ac4188977a6171ece7e9588cb8e 100644
--- a/category/get_perf_info.py
+++ b/category/get_perf_info.py
@@ -144,6 +144,16 @@ class OffCPU():
         else:
             return True
 
+    def __check_offcpu_pid(self):
+        if not (self.__pid.isdigit() and int(self.__pid) > 0):
+            Logger().error("检查参数 Application.OffCPU.pid 设置是否正确")
+            return False
+        if not Command.check_pid_exist(self.__pid, True):
+            Logger().error("检查参数 Application.OffCPU.pid 设置是否正确")
+            return False
+        else:
+            return True
+
 # hotspot main function
 class Hotspot():
 	def __init__(self):