diff --git a/.gitea/workflows/prepare-release.yml b/.gitea/workflows/prepare-release.yml
index de6b6ab0..5cd8d135 100644
--- a/.gitea/workflows/prepare-release.yml
+++ b/.gitea/workflows/prepare-release.yml
@@ -4,8 +4,8 @@ on:
   workflow_dispatch:
     inputs:
       version:
-        description: 'Release version (e.g., v0.1.20260711 or v1.0.0)'
-        required: true
+        description: 'Release version (auto-generated if empty, e.g. quant_20260711.1.abc1234)'
+        required: false
         type: string
 
 env:
@@ -16,6 +16,9 @@ jobs:
     name: Build & Create Release
     runs-on: ubuntu-latest
     timeout-minutes: 30
+    outputs:
+      version: ${{ steps.metadata.outputs.version }}
+      commit: ${{ steps.metadata.outputs.commit }}
 
     steps:
       - name: Checkout
@@ -29,14 +32,26 @@ jobs:
       - name: Generate Metadata
         id: metadata
         run: |
-          VERSION="${{ github.event.inputs.version }}"
+          VERSION_INPUT="${{ github.event.inputs.version }}"
           COMMIT=$(git rev-parse --short HEAD)
-          TIMESTAMP=$(TZ=UTC date +%Y%m%d_%H%M%S)
-          ARTIFACT="quantengine_${VERSION}_${COMMIT}.tar.gz"
+
+          # Auto-generate version if not provided
+          if [ -z "$VERSION_INPUT" ]; then
+            TODAY=$(TZ=UTC date +%Y%m%d)
+
+            # Count releases for today
+            RELEASES_TODAY=$(git tag -l "quant_${TODAY}.*" | wc -l)
+            DEPLOY_COUNT=$((RELEASES_TODAY + 1))
+
+            VERSION="quant_${TODAY}.${DEPLOY_COUNT}.${COMMIT}"
+          else
+            VERSION="$VERSION_INPUT"
+          fi
+
           echo "version=${VERSION}" >> $GITHUB_OUTPUT
-          echo "artifact=${ARTIFACT}" >> $GITHUB_OUTPUT
           echo "commit=${COMMIT}" >> $GITHUB_OUTPUT
-          echo "timestamp=${TIMESTAMP}" >> $GITHUB_OUTPUT
+          echo "Version: $VERSION"
+          echo "Commit: $COMMIT"
 
       - name: Restore
         run: |
@@ -85,8 +100,10 @@ jobs:
 
       - name: Package Artifact
         run: |
-          ARTIFACT="${{ steps.metadata.outputs.artifact }}"
+          VERSION="${{ steps.metadata.outputs.version }}"
+          ARTIFACT="quantengine_${VERSION}.tar.gz"
           tar -czf "$ARTIFACT" -C ./publish .
+          echo "artifact=${ARTIFACT}" >> $GITHUB_OUTPUT
           echo "✓ Package: $(du -sh $ARTIFACT | cut -f1)"
           file "$ARTIFACT"
 
@@ -99,31 +116,24 @@ jobs:
           echo "✓ Tag created: $VERSION"
 
       - name: Create Gitea Release
+        env:
+          VERSION: ${{ steps.metadata.outputs.version }}
+          COMMIT: ${{ steps.metadata.outputs.commit }}
         run: |
-          VERSION="${{ steps.metadata.outputs.version }}"
-          ARTIFACT="${{ steps.metadata.outputs.artifact }}"
-          COMMIT="${{ steps.metadata.outputs.commit }}"
-          TOKEN="${{ secrets.GITEA_TOKEN }}"
-          REPO="kjh2064/QuantEngineByItz"
+          ARTIFACT="quantengine_${VERSION}.tar.gz"
+          BUILD_TIME=$(date '+%Y-%m-%d %H:%M:%S UTC')
 
-          # Create release
           gh release create "$VERSION" "$ARTIFACT" \
             --title "Release $VERSION" \
-            --notes "Commit: $COMMIT
+            --notes "Commit: ${COMMIT}
 Platform: .NET 10
-Build: $(date '+%Y-%m-%d %H:%M:%S UTC')
+Build Time: ${BUILD_TIME}
 
-## Files
-- quantengine_release.tar.gz
-  - QuantEngine.Web.dll
-  - appsettings.Production.json
-  - All dependencies
-
-## Deployment
-Use deploy-prod.yml with release: \`$VERSION\`"
+Version Format: quant_YYYYMMDD.count.hash
+Artifact: quantengine_${VERSION}.tar.gz"
 
           echo "✓ Release created: $VERSION"
-          echo "✓ Artifact attached"
+          echo "✓ Artifact attached: $ARTIFACT"
 
   notification:
     name: Release Notification