diff --git a/tests/army/s3/s3Basic.json b/tests/army/s3/s3Basic.json
index ef1585d2ba..c3fcdb567c 100644
--- a/tests/army/s3/s3Basic.json
+++ b/tests/army/s3/s3Basic.json
@@ -36,7 +36,7 @@
                     "insert_rows": 2000000,
                     "childtable_prefix": "d",
                     "insert_mode": "taosc",
-                    "timestamp_step": 1000,
+                    "timestamp_step": 100,
                     "start_timestamp": 1600000000000,
                     "columns": [
                         { "type": "bool",        "name": "bc"},
diff --git a/tests/army/s3/s3Basic.py b/tests/army/s3/s3Basic.py
index f94fe611a6..466cc5ab19 100644
--- a/tests/army/s3/s3Basic.py
+++ b/tests/army/s3/s3Basic.py
@@ -73,7 +73,7 @@ class TDTestCase(TBase):
         # come from s3_basic.json
         self.childtable_count = 6
         self.insert_rows = 2000000
-        self.timestamp_step = 1000
+        self.timestamp_step = 100
 
     def createStream(self, sname):
         sql = f"create stream {sname} fill_history 1 into stm1 as select count(*) from {self.db}.{self.stb} interval(10s);"
@@ -262,7 +262,7 @@ class TDTestCase(TBase):
 
         # come from s3_basic.json
         self.insert_rows += self.insert_rows/4
-        self.timestamp_step = 500
+        self.timestamp_step = 50
 
     # delete
     def checkDelete(self):
diff --git a/tests/army/s3/s3Basic1.json b/tests/army/s3/s3Basic1.json
index fb95c14e98..0618c341c9 100644
--- a/tests/army/s3/s3Basic1.json
+++ b/tests/army/s3/s3Basic1.json
@@ -36,7 +36,7 @@
                     "insert_rows": 1000000,
                     "childtable_prefix": "d",
                     "insert_mode": "taosc",
-                    "timestamp_step": 500,
+                    "timestamp_step": 50,
                     "start_timestamp": 1600000000000,
                     "columns": [
                         { "type": "bool",        "name": "bc"},