diff --git a/.github/workflows/sync.yml b/.github/workflows/sync.yml
index 5c03db36..e7f8bd27 100644
--- a/.github/workflows/sync.yml
+++ b/.github/workflows/sync.yml
@@ -15,9 +15,7 @@ jobs:
       with:
         path: |
           sync/endpoint.txt
-        key: endpoint-${{ github.run_id }}
-        restore-keys: |
-          endpoint-
+        key: endpoint
     - uses: actions/setup-python@v4
       with:
         python-version: '3.10'
@@ -26,13 +24,22 @@ jobs:
       env:
         HF_TOKEN: ${{ secrets.HF_TOKEN }}
         ENDPOINTS: ${{ vars.ENDPOINTS }}
-      run: cd sync && cat endpoint.txt && pip install huggingface_hub && python sync.py && cat endpoint.txt
+      run: cd sync && pip install huggingface_hub && python sync.py && cat endpoint.txt
+    - name: delete cache
+      env:
+        TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: |
+        curl \
+          -X DELETE \
+          -H "Accept: application/vnd.github.v3+json" \
+          -H "Authorization: token $TOKEN" \
+          https://api.github.com/repos/weaigc/bingo/actions/caches/endpoint
     - name: Save cache
+      if: always()
       id: file-save
       uses: actions/cache/save@v3
       with:
         path: |
           sync/endpoint.txt
-        key: endpoint-${{ github.run_id }}
-        restore-keys: |
-          endpoint-
+        key: endpoint
+
diff --git a/sync/.gitignore b/sync/.gitignore
index 406bab72..f10862a6 100644
--- a/sync/.gitignore
+++ b/sync/.gitignore
@@ -1,2 +1 @@
-/endpoint.txt
 /.env
diff --git a/sync/sync.py b/sync/sync.py
index c11ad81b..88a712d6 100644
--- a/sync/sync.py
+++ b/sync/sync.py
@@ -8,18 +8,19 @@
 ENDPOINTS = os.environ.get('ENDPOINTS')
 file = 'endpoint.txt'
 endpoints = ENDPOINTS.split('\n')
-endpoint = endpoints[0].strip()
+endpointIndex = '0'
 try:
     with open(file,"r") as f:
         content=f.read().strip()
-        endpoint = endpoints[1] if content == endpoints[0] else endpoints[0]
+        print('content:', content)
+        endpointIndex = '1' if content == '0' else '0'
         f.close()
 except IOError:
     print("File not accessible")
-    with open(file, "w") as wf:
-        wf.write(endpoint)
-        wf.close()
 
-print('new endpoint', endpoint)
-hf_api.add_space_secret('hf4all/bingo2', 'ENDPOINT', endpoint.strip())
+with open(file, "w") as wf:
+    wf.write(endpointIndex)
+    wf.close()
 
+print('new endpoint', endpoints[int(endpointIndex)])
+hf_api.add_space_secret('hf4all/bingo2', 'ENDPOINT', endpoints[int(endpointIndex)].strip())