diff --git a/tests/system-test/7-tmq/tmqUpdate-1ctb.py b/tests/system-test/7-tmq/tmqUpdate-1ctb.py
index a51735498943c4a3c6af871b8d97a44eb459afe6..8fdf7748a3425b1efe7966949a1098e5867b6ee2 100644
--- a/tests/system-test/7-tmq/tmqUpdate-1ctb.py
+++ b/tests/system-test/7-tmq/tmqUpdate-1ctb.py
@@ -208,7 +208,7 @@ class TDTestCase:
         paraDict['rowsPerTbl'] = self.rowsPerTbl
         consumerId     = 1
         if self.snapshot == 0:
-            expectrowcnt   = int(paraDict["rowsPerTbl"] * paraDict["ctbNum"] * (1/2))
+            expectrowcnt   = int(paraDict["rowsPerTbl"] * paraDict["ctbNum"] * (1+ 1/2 + 1/2))
         elif self.snapshot == 1:
             expectrowcnt   = int(paraDict["rowsPerTbl"] * paraDict["ctbNum"] * (1))
 
diff --git a/tests/system-test/7-tmq/tmqUpdate-multiCtb-snapshot0.py b/tests/system-test/7-tmq/tmqUpdate-multiCtb-snapshot0.py
index a90802e591617427e378274e0b24ee47dc4782ef..8b67f6f8252e5e3682284c5c2d5b4295308db26c 100644
--- a/tests/system-test/7-tmq/tmqUpdate-multiCtb-snapshot0.py
+++ b/tests/system-test/7-tmq/tmqUpdate-multiCtb-snapshot0.py
@@ -214,7 +214,7 @@ class TDTestCase:
         paraDict['rowsPerTbl'] = self.rowsPerTbl
         consumerId     = 1
         if self.snapshot == 0:
-            expectrowcnt   = int(paraDict["rowsPerTbl"] * paraDict["ctbNum"] * (1/2) * (1/2*3))
+            expectrowcnt   = int(paraDict["rowsPerTbl"] * paraDict["ctbNum"] *(2 + 1/2*1/2*2 + 1/2 + 1/4))
         elif self.snapshot == 1:
             expectrowcnt   = int(paraDict["rowsPerTbl"] * paraDict["ctbNum"] * (1 + 1/2))