diff --git a/core/imageroot/usr/local/agent/pypkg/cluster/modules.py b/core/imageroot/usr/local/agent/pypkg/cluster/modules.py
index f0088578b..ddd7a725f 100644
--- a/core/imageroot/usr/local/agent/pypkg/cluster/modules.py
+++ b/core/imageroot/usr/local/agent/pypkg/cluster/modules.py
@@ -370,7 +370,7 @@ def _calc_update(image_name, cur):
         try:
             vupdate = module["versions"][0]['tag']
             vinfo = semver.VersionInfo.parse(vupdate)
-            if vupdate > cur:
+            if vinfo > cur:
                 return vupdate
         except:
             pass