diff --git a/.github/workflows/similar-issues.yml b/.github/workflows/similar-issues.yml
index b25530e85..19d6580f0 100644
--- a/.github/workflows/similar-issues.yml
+++ b/.github/workflows/similar-issues.yml
@@ -20,52 +20,41 @@ jobs:
             - name: Checkout repository
               uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
-            - name: Set up Bun
-              uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2.2.0
-
-            - name: Install opencode
-              run: curl -fsSL https://opencode.ai/install | bash
-
             - name: Check for duplicate issues
+              uses: anthropics/claude-code-action@v1
               env:
-                  OPENCODE_API_KEY: ${{ secrets.OPENCODE_API_KEY }}
-                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+                  GH_TOKEN: ${{ github.token }}
                   ISSUE_NUMBER: ${{ github.event.issue.number || inputs.issue_number }}
-                  OPENCODE_PERMISSION: |
-                      {
-                        "bash": {
-                          "*": "deny",
-                          "gh issue*": "allow"
-                        },
-                        "webfetch": "deny"
-                      }
-              run: |
-                  if [ -z "$ISSUE_NUMBER" ]; then
-                    echo "issue_number is required"
-                    exit 1
-                  fi
+              with:
+                  claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
+                  github_token: ${{ secrets.GITHUB_TOKEN }}
+                  display_report: 'true'
+                  claude_args: |
+                      --model ${{ vars.OPENCODE_MODEL }}
+                      --allowedTools "Bash(gh issue:*)"
+                      --disallowedTools "WebFetch,WebSearch"
+                  prompt: |
+                      A new issue has been created:
 
-                  opencode run -m ${{ vars.OPENCODE_MODEL }} "A new issue has been created:'
+                      Issue number:
+                      ${{ github.event.issue.number || inputs.issue_number }}
 
-                  Issue number:
-                  $ISSUE_NUMBER
+                      Lookup this issue and search through existing issues (excluding #${{ github.event.issue.number || inputs.issue_number }}) in this repository (${{ github.repository }}) to find any potential duplicates of this new issue.
+                      Consider:
+                      1. Similar titles or descriptions
+                      2. Same error messages or symptoms
+                      3. Related functionality or components
+                      4. Similar feature requests
 
-                  Lookup this issue and search through existing issues (excluding #$ISSUE_NUMBER) in this repository (DIYgod/RSSHub) to find any potential duplicates of this new issue.
-                  Consider:
-                  1. Similar titles or descriptions
-                  2. Same error messages or symptoms
-                  3. Related functionality or components
-                  4. Similar feature requests
+                      If you find any potential duplicates, please comment on the new issue with:
+                      - A brief explanation of why it might be a duplicate
+                      - Links to the potentially duplicate issues
+                      - A suggestion to check those issues first
 
-                  If you find any potential duplicates, please comment on the new issue with:
-                  - A brief explanation of why it might be a duplicate
-                  - Links to the potentially duplicate issues
-                  - A suggestion to check those issues first
+                      Use this format for the comment:
+                      "This issue might be a duplicate of existing issues. Please check:
+                      - #[issue_number]: [brief description of similarity]
 
-                  Use this format for the comment:
-                  'This issue might be a duplicate of existing issues. Please check:
-                  - #[issue_number]: [brief description of similarity]
+                      Feel free to ignore if none of these address your specific case."
 
-                  Feel free to ignore if none of these address your specific case.'
-
-                  If no clear duplicates are found, do not comment."
+                      If no clear duplicates are found, do not comment.