diff --git a/.github/workflows/ocr-review.yml b/.github/workflows/ocr-review.yml
index ea4ffd5..4cbfe01 100644
--- a/.github/workflows/ocr-review.yml
+++ b/.github/workflows/ocr-review.yml
@@ -4,8 +4,7 @@
 # and posts review comments directly on the PR.
 #
 # Triggers:
-#   - PR opened, synchronized, or reopened (uses pull_request_target for fork secret access)
-#   - Comment on PR containing '/open-code-review' or '@open-code-review'
+#   - PR opened (uses pull_request_target for fork secret access)
 #
 # Required secrets:
 #   OCR_LLM_URL        - LLM API endpoint (e.g., https://api.openai.com/v1/chat/completions)
@@ -28,8 +27,6 @@ on:
   # the diff and does not execute any code from the PR.
   pull_request_target:
     types: [opened]
-  issue_comment:
-    types: [created]
 
 permissions:
   contents: read
@@ -37,43 +34,19 @@ permissions:
 
 jobs:
   code-review:
-    runs-on: ubuntu-latest
-    # Run on PR events, or on comments starting with trigger keywords
-    if: |
-      github.event_name == 'pull_request_target' ||
-      (github.event_name == 'issue_comment' && github.event.issue.pull_request && startsWith(github.event.comment.body, '/open-code-review')) ||
-      (github.event_name == 'issue_comment' && github.event.issue.pull_request && startsWith(github.event.comment.body, '@open-code-review'))
+    runs-on: self-hosted
+    container:
+      image: node:20
+    if: github.event_name == 'pull_request_target'
     steps:
-      - name: Get PR context
-        id: pr-context
-        if: github.event_name != 'pull_request_target'
-        uses: actions/github-script@v7
-        with:
-          script: |
-            // For issue_comment events, get PR info
-            const prNumber = context.issue.number;
-            const { data: pullRequest } = await github.rest.pulls.get({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              pull_number: prNumber
-            });
-            core.setOutput('base_ref', pullRequest.base.ref);
-            core.setOutput('head_ref', pullRequest.head.ref);
-            core.setOutput('head_sha', pullRequest.head.sha);
-
       - name: Checkout repository
         uses: actions/checkout@v4
         with:
           fetch-depth: 0  # Full history needed for merge-base diff
-          ref: ${{ github.event.pull_request.head.sha || steps.pr-context.outputs.head_sha }}
+          ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Fetch PR head ref (ensures fork commits are available)
-        run: git fetch origin pull/${{ github.event.pull_request.number || github.event.issue.number }}/head
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
+        run: git fetch origin pull/${{ github.event.pull_request.number }}/head
 
       - name: Install OpenCodeReview
         run: npm install -g @alibaba-group/open-code-review
@@ -84,21 +57,14 @@ jobs:
           ocr config set llm.auth_token ${{ secrets.OCR_LLM_AUTH_TOKEN }}
           ocr config set llm.model ${{ secrets.OCR_LLM_MODEL }}
           ocr config set llm.use_anthropic ${{ secrets.OCR_LLM_USE_ANTHROPIC }}
-          ocr config set llm.extra_body '{"thinking": {"type": "disabled"}}'
+          ocr config set llm.extra_body '{"enable_thinking": false}'
+          ocr config set language English
 
       - name: Run OpenCodeReview
         id: review
         run: |
-          # Get base ref and head SHA from PR context (different for comment triggers)
-          # Note: We use HEAD_SHA instead of origin/${HEAD_REF} to support fork PRs,
-          # because fork branches don't exist on the origin remote.
-          if [ "${{ github.event_name }}" = "pull_request_target" ]; then
-            BASE_REF="${{ github.event.pull_request.base.ref }}"
-            HEAD_SHA="${{ github.event.pull_request.head.sha }}"
-          else
-            BASE_REF="${{ steps.pr-context.outputs.base_ref }}"
-            HEAD_SHA="${{ steps.pr-context.outputs.head_sha }}"
-          fi
+          BASE_REF="${{ github.event.pull_request.base.ref }}"
+          HEAD_SHA="${{ github.event.pull_request.head.sha }}"
 
           echo "Reviewing PR: ${HEAD_SHA} against origin/${BASE_REF}"
 
@@ -159,20 +125,7 @@ jobs:
 
             // Prepare PR review with inline comments
             const prNumber = context.issue.number;
-            let commitSha;
-            
-            // Get commit SHA from event context
-            if (context.eventName === 'pull_request_target') {
-              commitSha = context.payload.pull_request.head.sha;
-            } else {
-              // For comment events, we need to fetch the PR
-              const { data: pullRequest } = await github.rest.pulls.get({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                pull_number: prNumber
-              });
-              commitSha = pullRequest.head.sha;
-            }
+            let commitSha = context.payload.pull_request.head.sha;
 
             // Build review comments array for the PR review API
             // Only inline comments with line info can be posted via createReview