diff --git a/.github/workflows/scheduled_workflow.yml b/.github/workflows/scheduled_workflow.yml
index c0ff82a..d862686 100644
--- a/.github/workflows/scheduled_workflow.yml
+++ b/.github/workflows/scheduled_workflow.yml
@@ -16,8 +16,8 @@ name: Scheduled Workflow
 
 on:
   schedule:
-    # Runs every day at midnight
-    - cron: '0 0 * * *'
+    # Runs every day at midnight and noon (beijing time)
+    - cron: '0 4,16 * * *'
 
 jobs:
   build:
@@ -50,5 +50,5 @@ jobs:
         echo "TOS_REGION=${{ vars.TOS_REGION }}" >> $GITHUB_ENV
         echo "TOS_ENDPOINT=${{ vars.TOS_ENDPOINT }}" >> $GITHUB_ENV
         echo "TOSFS_LOGGING_LEVEL=${{ vars.TOSFS_LOGGING_LEVEL }}" >> $GITHUB_ENV
-    - name: Run tests
-      run: make test
+    - name: Run stability tests
+      run: make test_stability
diff --git a/Makefile b/Makefile
index f717c8c..29f96e9 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,8 @@ help:             ## Show the help.
 	@echo "install:          ## Install the project in dev mode."
 	@echo "fmt:              ## Format code using black & isort."
 	@echo "lint:             ## Run pep8, black, mypy linters."
-	@echo "test: lint        ## Run tests and generate coverage report."
+	@echo "test:	         ## Run tests and generate coverage report."
+	@echo "test_stability:	 ## Run stability tests."
 	@echo "watch:            ## Run tests on every change."
 	@echo "clean:            ## Clean unused files."
 	@echo "release:          ## Create a new tag for release."
@@ -47,7 +48,11 @@ lint:             ## Run pep8, black, mypy linters.
 
 .PHONY: test
 test:             ## Run tests and generate coverage report.
-	$(ENV_PREFIX)pytest -vv -s --cov-config .coveragerc --cov=tosfs -l --tb=short --maxfail=1 ${TEST_DIR}
+	$(ENV_PREFIX)pytest -vv -s --cov-config .coveragerc --cov=tosfs -l --tb=short --maxfail=1 ${TEST_DIR} --ignore=${TEST_DIR}/test_stability.py
+
+.PHONY: test_stability
+test_stability:             ## Run stability tests.
+	$(ENV_PREFIX)pytest -vv -s --cov-config .coveragerc --cov=tosfs -l --tb=short --maxfail=1 ${TEST_DIR}/test_stability.py
 
 .PHONY: watch
 watch:            ## Run tests on every change.
diff --git a/tosfs/tests/test_stability.py b/tosfs/tests/test_stability.py
index 140f196..14f746d 100644
--- a/tosfs/tests/test_stability.py
+++ b/tosfs/tests/test_stability.py
@@ -25,7 +25,7 @@ def test_write_breakpoint_continuation(tosfs, bucket, temporary_workspace):
     with tosfs.open(f"{bucket}/{temporary_workspace}/{file_name}", "w") as f:
         f.write(first_part)
         # mock a very long block(business processing or network issue)
-        sleep(60)
+        sleep(60 * 15)
         f.write(second_part)
 
     assert tosfs.info(f"{bucket}/{temporary_workspace}/{file_name}")["size"] == len(
@@ -49,7 +49,7 @@ def test_read_breakpoint_continuation(tosfs, bucket, temporary_workspace):
         read_first_part = f.read(10 * 1024 * 1024)
         assert read_first_part == first_part
         # mock a very long block(business processing or network issue)
-        sleep(60)
+        sleep(60 * 15)
         read_second_part = f.read(10 * 1024 * 1024)
         assert read_second_part == second_part
         assert read_first_part + read_second_part == first_part + second_part