diff --git a/server/analyseapi/constant.go b/server/analyseapi/constant.go
index ad226e8..2617d5e 100644
--- a/server/analyseapi/constant.go
+++ b/server/analyseapi/constant.go
@@ -1,7 +1,3 @@
 package main
 
-const (
-	IM_UPDATE_SESSION = 100
-)
-
 const SESSION_KEY = "f3a6a9a5-217a-4079-ab99-b5d69b8212be"