fix：targger ui

Author: hao65103940

.github/workflows/pr-validate.yml

@@ -6,6 +6,10 @@ on:
     paths:
       - 'tools/**'
   workflow_dispatch:
+    inputs:
+      pr_number:
+        description: 'PR number to validate'
+        required: true
 
 jobs:
   validate:
@@ -21,7 +25,14 @@ jobs:
           fetch-depth: 0
 
       - name: Get changed files
-        run: git diff --name-only origin/main...HEAD > changed_files.txt
+        run: |
+          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
+            gh pr diff ${{ inputs.pr_number }} --name-only > changed_files.txt
+          else
+            git diff --name-only origin/main...HEAD > changed_files.txt
+          fi
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -40,7 +51,7 @@ jobs:
           cat result.txt
 
       - name: Comment on PR
-        if: github.event_name == 'pull_request'
+        if: github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
         uses: actions/github-script@v7
         with:
           script: |
@@ -49,8 +60,11 @@ jobs:
             const exitCode = '${{ steps.validate.outputs.exit_code }}';
             const icon = exitCode === '0' ? '✅' : '❌';
             const status = exitCode === '0' ? '校验通过' : '校验失败，请修复后重新提交';
+            const prNumber = context.eventName === 'workflow_dispatch'
+              ? parseInt('${{ inputs.pr_number }}')
+              : context.payload.pull_request.number;
             github.rest.issues.createComment({
-              issue_number: context.payload.pull_request.number,
+              issue_number: prNumber,
               owner: context.repo.owner,
               repo: context.repo.repo,
               body: `## ${icon} PR 自动校验结果\n\n**状态**: ${status}\n\n\`\`\`\n${result}\n\`\`\``