diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 30b4747..da2b5df 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,8 +3,27 @@ name: CI
 on:
   push:
     branches: [main]
+    # 在触发前过滤不影响当前构建的文件；与 tools/ci-changes.py 保持一致。
+    paths:
+      - '**'
+      - '!*.md'
+      - '!LICENSE'
+      - '!.gitignore'
+      - '!docs/**'
+      - '!.github/ISSUE_TEMPLATE/**'
+      - '!.github/release-notes.md'
+      - '!.github/PULL_REQUEST_TEMPLATE.md'
+      - '!postman/mocks/**'
+      - '!postman/simulations/**'
+      - '!src-tauri/icons-v2/android/**'
+      - '!src-tauri/icons-v2/ios/**'
+      - 'CHANGELOG.md'
+      - 'docs/faq.md'
+      - 'docs/laboratory.md'
+      - 'docs/request-policy.md'
   pull_request:
     branches: [main]
+    # 保留必需检查结果，避免纯文档 PR 因缺少状态而无法合并。
 
 permissions:
   contents: read
diff --git a/README.md b/README.md
index 531a545..5d1607c 100644
--- a/README.md
+++ b/README.md
@@ -187,7 +187,7 @@ cargo test --locked -p mpider-core -p article-md -p mpider-tauri
 pnpm tauri dev
 ```
 
-Windows 测试 runner、Python 离线测试和完整客户端构建见[Windows 构建说明](docs/windows-standalone.md)。CI 按改动路径检查前端与 Windows Rust，纯文档或截图修改跳过构建；编入界面的 FAQ、实验室与请求策略文档仍触发检查。客户端发行仅面向 Windows x64，标签必须与项目版本一致，完成构建、离线测试、便携包解压自检与签名清单生成后创建 Release 草稿。
+Windows 测试 runner、Python 离线测试和完整客户端构建见[Windows 构建说明](docs/windows-standalone.md)。CI 按改动路径检查前端与 Windows Rust：main 上仅修改公开资料、协作模板、`.gitignore`、本地 Postman 模拟或未使用的 Android/iOS 图标时不触发 CI，PR 保留路径判断以满足必需检查、跳过构建；编入界面的更新记录、FAQ、实验室与请求策略文档仍触发检查。客户端发行仅面向 Windows x64，标签必须与项目版本一致，完成构建、离线测试、便携包解压自检与签名清单生成后创建 Release 草稿。
 
 [贡献指南](CONTRIBUTING.md) · [实现原理](docs/how-it-works.md) · [更新记录](CHANGELOG.md) · [第三方声明](THIRD-PARTY-NOTICES.md)
 
diff --git a/tools/ci-changes.py b/tools/ci-changes.py
index 3ae40eb..bc0dc41 100644
--- a/tools/ci-changes.py
+++ b/tools/ci-changes.py
@@ -1,4 +1,4 @@
-"""仅让影响应用或构建的改动运行完整 CI；纯公开资料改动跳过构建。"""
+"""仅让影响应用或构建的改动运行完整 CI；与 workflow 的 push 路径过滤同步。"""
 
 import json
 import os
@@ -6,22 +6,37 @@
 import subprocess
 
 EMBEDDED_GUIDES = {
+    "CHANGELOG.md",
     "docs/faq.md",
     "docs/laboratory.md",
     "docs/request-policy.md",
 }
 
+NON_BUILD_FILES = {
+    ".gitignore",
+    ".github/release-notes.md",
+    ".github/PULL_REQUEST_TEMPLATE.md",
+}
+
+NON_BUILD_PREFIXES = (
+    "docs/",
+    ".github/ISSUE_TEMPLATE/",
+    # 当前 CI 不启动这些本地模拟，也不构建移动端。
+    "postman/mocks/",
+    "postman/simulations/",
+    "src-tauri/icons-v2/android/",
+    "src-tauri/icons-v2/ios/",
+)
+
 
 def requires_build(paths):
     for path in paths:
         if path in EMBEDDED_GUIDES:
             return True
-        if path.startswith(("docs/", ".github/ISSUE_TEMPLATE/")):
+        if path in NON_BUILD_FILES or path.startswith(NON_BUILD_PREFIXES):
             continue
         if "/" not in path and (path.endswith(".md") or path == "LICENSE"):
             continue
-        if path in {".github/release-notes.md", ".github/pull_request_template.md"}:
-            continue
         return True
     return False
 
diff --git a/tools/test_ci_changes.py b/tools/test_ci_changes.py
index 1d7c77b..5bbd311 100644
--- a/tools/test_ci_changes.py
+++ b/tools/test_ci_changes.py
@@ -1,5 +1,6 @@
 import importlib.util
 from pathlib import Path
+import re
 import unittest
 
 spec = importlib.util.spec_from_file_location("ci_changes", Path(__file__).with_name("ci-changes.py"))
@@ -19,10 +20,40 @@ def test_embedded_guides_are_application_inputs(self):
             with self.subTest(path=path):
                 self.assertTrue(ci_changes.requires_build([path]))
 
+    def test_markdown_imported_by_frontend_requires_build(self):
+        root = Path(__file__).resolve().parent.parent
+        imports = []
+        for source in (root / "frontend/src").rglob("*.tsx"):
+            for relative in re.findall(r'from\s+["\x27]([^"\x27]+\.md)\?raw["\x27]', source.read_text()):
+                path = (source.parent / relative).resolve().relative_to(root).as_posix()
+                imports.append(path)
+                with self.subTest(path=path):
+                    self.assertTrue(ci_changes.requires_build([path]))
+        self.assertIn("CHANGELOG.md", imports)
+
+    def test_repository_metadata_local_simulations_and_mobile_icons_skip_build(self):
+        paths = [
+            ".gitignore", ".github/PULL_REQUEST_TEMPLATE.md",
+            ".github/ISSUE_TEMPLATE/bug_report.yml",
+            "postman/mocks/updater-release/config.yaml",
+            "postman/mocks/updater-release/default.js",
+            "postman/simulations/updater-download.sim.yaml",
+            "src-tauri/icons-v2/android/mipmap-hdpi/ic_launcher.png",
+            "src-tauri/icons-v2/ios/AppIcon-20x20@1x.png",
+        ]
+        for path in paths:
+            with self.subTest(path=path):
+                self.assertFalse(ci_changes.requires_build([path]))
+                self.assertTrue(ci_changes.requires_build([path, "frontend/src/App.tsx"]))
+        self.assertFalse(ci_changes.requires_build(paths))
+
     def test_code_build_config_and_mixed_changes_run(self):
         for path in ["frontend/src/App.tsx", "src-tauri/src/lib.rs", "native/bridge.py",
                      "Cargo.lock", "pnpm-lock.yaml", "tools/package-windows-release.py",
-                     ".github/workflows/ci.yml", ".github/workflows/release.yml"]:
+                     ".github/workflows/ci.yml", ".github/workflows/release.yml",
+                     ".gitattributes", "config/advertisements.json",
+                     "src-tauri/icons-v2/icon.ico", "src-tauri/fixtures/updater/package.bin",
+                     "new-build-config.json"]:
             with self.subTest(path=path):
                 self.assertTrue(ci_changes.requires_build(["README.md", path]))