diff --git a/.github/workflows/core_auto_update.yml b/.github/workflows/core_auto_update.yml
index cd0301e..2a9291b 100644
--- a/.github/workflows/core_auto_update.yml
+++ b/.github/workflows/core_auto_update.yml
@@ -2,14 +2,33 @@ name: core_auto_update
 
 on: 
     schedule:
-        - cron: 0 18 * * 6
+        - cron: 0 18 * * *
     workflow_dispatch:
 
 jobs:
+  check_version:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get old version
+        run: |
+          echo version_old=$(curl -sSl https://github.com/juewuy/ShellCrash/releases/download/singbox_core_PuerNya/version) >> $GITHUB_OUTPUT
+        
+      - name: checkout
+      - uses: actions/checkout@v4
+        with:
+          repository: PuerNya/sing-box
+          ref: building
+          fetch-depth: 0   
+      - name: Get new version    
+        run: |
+          git remote add sekai https://github.com/SagerNet/sing-box.git
+          git fetch --tags sekai
+          echo version_new=$(CGO_ENABLED=0 go run ./cmd/internal/read_tag) >> $GITHUB_OUTPUT      
+    
   auto_update_singboxp_with_wg:
-    permissions:
-      id-token: write # need this for OIDC
-      contents: write
+    needs: check_version
+    if: ${{ needs.check_version.outputs.version_new != needs.check_version.outputs.version_old }}
+    permissions: write-all
     uses: juewuy/ShellCrash/.github/workflows/update_singbox_core.yaml@dev
     with:
       tag1: PuerNya/sing-box
diff --git a/.github/workflows/update_singbox_core.yaml b/.github/workflows/update_singbox_core.yaml
index 1e759ca..19303d1 100644
--- a/.github/workflows/update_singbox_core.yaml
+++ b/.github/workflows/update_singbox_core.yaml
@@ -161,10 +161,6 @@ jobs:
           ref: building
           path: sing
           repository: PuerNya/sing
-
-      - name: replace sing
-        if: ${{ env.REPO == 'PuerNya/sing-box' }}
-        run: sed -i 's/^\/\/replace github.com.*$/replace github.com\/sagernet\/sing => .\/sing/' go.mod
           
       - name: build core
         id: build
@@ -206,6 +202,7 @@ jobs:
           done
           mv -f ./tmp/singbox-linux-mipsel-hardfloat.tar.gz ./tmp/singbox-linux-mipsle-hardfloat.tar.gz
           mv -f ./tmp/singbox-linux-mipsel-softfloat.tar.gz ./tmp/singbox-linux-mipsle-softfloat.tar.gz
+          echo ${VERSION} > ./tmp/version
 
       - name: Commit and push
         if: ${{ env.PUSHDIR != '' }}
@@ -232,6 +229,7 @@ jobs:
           prerelease: true
           files: |
             ./tmp/singbox*.tar.gz
+            ./tmp/version
             
       - name: Cleanup Workflow
         uses: Mattraks/delete-workflow-runs@main