diff --git a/tests/system-test/2-query/db.py b/tests/system-test/2-query/db.py
index 66776e0a23..895df852c7 100644
--- a/tests/system-test/2-query/db.py
+++ b/tests/system-test/2-query/db.py
@@ -47,7 +47,7 @@ class TDTestCase:
     
     def case2(self):
         tdSql.query("show variables")        
-        tdSql.checkRows(93)
+        tdSql.checkRows(88)
 
         for i in range(self.replicaVar):
             tdSql.query("show dnode %d variables like 'debugFlag'" % (i + 1))