diff --git a/.github/scripts/check_version_bump.py b/.github/scripts/check_version_bump.py
new file mode 100644
index 0000000..8a93f6a
--- /dev/null
+++ b/.github/scripts/check_version_bump.py
@@ -0,0 +1,106 @@
+#!/usr/bin/env python3
+"""
+Check version bump between two commits for pyproject.toml and src/quanteval/__init__.py.
+
+Writes two outputs to the GitHub Actions runner via the GITHUB_OUTPUT file:
+- should_release: 'true' or 'false'
+- version: the new version string when should_release is 'true'
+
+This script is intended to be invoked from a workflow step which sets
+the environment variables `GITHUB_BEFORE` and `GITHUB_AFTER`.
+"""
+import os
+import re
+import subprocess
+import sys
+
+
+def read_at(sha, path):
+    # If sha is empty or all zeros, fallback to reading from the working tree
+    if not sha or set(sha) == {"0"}:
+        try:
+            with open(path, "r", encoding="utf-8") as f:
+                return f.read()
+        except Exception:
+            return ""
+    try:
+        out = subprocess.check_output(["git", "show", f"{sha}:{path}"], stderr=subprocess.DEVNULL)
+        return out.decode("utf-8")
+    except subprocess.CalledProcessError:
+        try:
+            with open(path, "r", encoding="utf-8") as f:
+                return f.read()
+        except Exception:
+            return ""
+
+
+def extract_version_pyproject(text: str) -> str:
+    if not text:
+        return ""
+    m = re.search(r"^version\s*=\s*['\"]([^'\"]+)['\"]", text, re.M)
+    if m:
+        return m.group(1)
+    m = re.search(r"^\s*version\s*=\s*['\"]([^'\"]+)['\"]", text, re.M)
+    return m.group(1) if m else ""
+
+
+def extract_version_init(text: str) -> str:
+    if not text:
+        return ""
+    m = re.search(r"__version__\s*=\s*['\"]([^'\"]+)['\"]", text)
+    return m.group(1) if m else ""
+
+
+def write_output(pairs: dict):
+    # Write key=value pairs to a temp file so the workflow can load them.
+    out_file = os.environ.get("CHECK_OUTPUT_FILE", "/tmp/check_version_output.txt")
+    try:
+        with open(out_file, "a", encoding="utf-8") as f:
+            for k, v in pairs.items():
+                line = f"{k}={v}\n"
+                f.write(line)
+                # also print for logs
+                print(line.strip())
+    except Exception:
+        # fallback to stdout only
+        for k, v in pairs.items():
+            print(f"{k}={v}")
+
+
+def main():
+    before = os.environ.get("GITHUB_BEFORE", "")
+    after = os.environ.get("GITHUB_AFTER", os.environ.get("GITHUB_SHA", ""))
+
+    py = "pyproject.toml"
+    init = "src/quanteval/__init__.py"
+
+    old_py = read_at(before, py)
+    new_py = read_at(after, py)
+    old_init = read_at(before, init)
+    new_init = read_at(after, init)
+
+    old_py_v = extract_version_pyproject(old_py)
+    new_py_v = extract_version_pyproject(new_py)
+    old_init_v = extract_version_init(old_init)
+    new_init_v = extract_version_init(new_init)
+
+    print("old_py_v=", old_py_v)
+    print("new_py_v=", new_py_v)
+    print("old_init_v=", old_init_v)
+    print("new_init_v=", new_init_v)
+
+    should_release = False
+    version = ""
+    if new_py_v and new_init_v and new_py_v == new_init_v:
+        if new_py_v != old_py_v and new_init_v != old_init_v:
+            should_release = True
+            version = new_py_v
+
+    if should_release:
+        write_output({"should_release": "true", "version": version})
+    else:
+        write_output({"should_release": "false"})
+
+
+if __name__ == "__main__":
+    main()
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index df257c1..31c62e3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1,9 +1,12 @@
 name: Release
 
+# Trigger when version files are modified or via manual dispatch
 on:
   push:
-    tags:
-      - 'v*'
+    # Only trigger when the two files that declare the package version are changed
+    paths:
+      - 'pyproject.toml'
+      - 'src/quanteval/__init__.py'
   workflow_dispatch:
     inputs:
       dry_run:
@@ -14,14 +17,17 @@ on:
 permissions:
   contents: write
   packages: write
+  # allow creating tags/releases
+  id-token: write
 
 jobs:
   release:
     runs-on: ubuntu-latest
-
     steps:
       - name: Checkout
         uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -29,26 +35,68 @@ jobs:
           python-version: '3.13'
           cache: pip
 
+      - name: Check version bump in pyproject.toml and __init__.py
+        id: check
+        env:
+          GITHUB_BEFORE: ${{ github.event.before }}
+          GITHUB_AFTER: ${{ github.sha }}
+          CHECK_OUTPUT_FILE: /tmp/check_version_output.txt
+        run: |
+          set -euo pipefail
+          # Run the check script which writes key=value pairs to $CHECK_OUTPUT_FILE
+          python .github/scripts/check_version_bump.py
+          # Show the file for logs
+          cat "$CHECK_OUTPUT_FILE" || true
+          # Append to GITHUB_OUTPUT so the step outputs are available
+          if [ -n "${GITHUB_OUTPUT-}" ] && [ -f "$CHECK_OUTPUT_FILE" ]; then
+            cat "$CHECK_OUTPUT_FILE" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Stop if not a release commit
+        if: ${{ steps.check.outputs.should_release == 'false' }}
+        run: |
+          echo "No version bump detected or versions do not match; skipping release."
+          exit 0
+
+      - name: Create tag for release
+        if: ${{ steps.check.outputs.should_release == 'true' }}
+        env:
+          VERSION: ${{ steps.check.outputs.version }}
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          TAG=v${VERSION}
+          # avoid error if tag already exists
+          if git rev-parse "$TAG" >/dev/null 2>&1; then
+            echo "Tag $TAG already exists, skipping tag creation."
+          else
+            git tag -a "$TAG" -m "Release $TAG"
+            git push origin "$TAG"
+          fi
+
       - name: Install build dependencies
+        if: ${{ steps.check.outputs.should_release == 'true' }}
         run: |
           python -m pip install --upgrade pip
           python -m pip install -e ".[dev]"
 
       - name: Build release artifacts
+        if: ${{ steps.check.outputs.should_release == 'true' }}
         run: python -m build
 
       - name: Validate artifacts
+        if: ${{ steps.check.outputs.should_release == 'true' }}
         run: twine check dist/*
 
       - name: Publish to TestPyPI (dry-run)
-        if: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.dry_run == 'true' }}
+        if: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.dry_run == 'true' && steps.check.outputs.should_release == 'true' }}
         run: |
           python -m pip install --upgrade pip
           python -m pip install twine
           twine upload --repository-url https://test.pypi.org/legacy/ dist/* -u __token__ -p ${{ secrets.TEST_PYPI_TOKEN }} --skip-existing --verbose
 
       - name: Publish to PyPI
-        if: ${{ !(github.event_name == 'workflow_dispatch' && github.event.inputs.dry_run == 'true') }}
+        if: ${{ steps.check.outputs.should_release == 'true' && !(github.event_name == 'workflow_dispatch' && github.event.inputs.dry_run == 'true') }}
         uses: pypa/gh-action-pypi-publish@v1.5.0
         with:
           skip-existing: true
@@ -57,10 +105,13 @@ jobs:
           password: ${{ secrets.PYPI_TOKEN }}
 
       - name: Create GitHub release
+        if: ${{ steps.check.outputs.should_release == 'true' }}
         uses: softprops/action-gh-release@v2
         env:
           GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}
         with:
+          tag_name: v${{ steps.check.outputs.version }}
+          name: Release v${{ steps.check.outputs.version }}
           generate_release_notes: true
           files: |
             dist/*
diff --git a/pyproject.toml b/pyproject.toml
index ac45dd6..ab3984e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "quanteval"
-version = "1.0.0"
+version = "1.0.1"
 description = "Quantitative strategy and factor evaluation toolkit for Chinese A-share and Hong Kong (HKEX) markets"
 readme = "README.md"
 requires-python = ">=3.11"
diff --git a/src/quanteval/__init__.py b/src/quanteval/__init__.py
index 655f062..0ec438a 100644
--- a/src/quanteval/__init__.py
+++ b/src/quanteval/__init__.py
@@ -6,7 +6,7 @@
 License: MIT
 """
 
-__version__ = '1.0.0'
+__version__ = '1.0.1'
 
 # Core components
 from quanteval.core.strategy import Strategy