diff --git a/setup-opencode/action.yml b/setup-opencode/action.yml
index 23547d4..c4b8da1 100644
--- a/setup-opencode/action.yml
+++ b/setup-opencode/action.yml
@@ -228,18 +228,24 @@ runs:
       id: get-version
       shell: bash
       run: |
-        PACKAGE="${{ inputs.package-name }}"
-        
-        # 使用 JSON 格式获取版本，更可靠
-        INSTALLED_INFO=$(npm list -g $PACKAGE --json --depth=0 2>/dev/null || echo '{}')
-        VERSION=$(echo "${INSTALLED_INFO}" | grep -o '"version":"[^"]*"' | head -1 | cut -d'"' -f4 || echo "unknown")
-        
-        if [[ "${VERSION}" != "unknown" ]]; then
-          echo "version=${VERSION}" >> $GITHUB_OUTPUT
-          echo "✅ OpenCode 版本: ${VERSION}"
+        # 直接从 opencode 命令获取版本
+        if command -v opencode &> /dev/null; then
+          VERSION=$(opencode --version 2>/dev/null | head -n1 | grep -oE '[0-9]+\.[0-9]+\.[0-9]+' || echo "unknown")
+          
+          if [[ "${VERSION}" != "unknown" ]]; then
+            echo "version=${VERSION}" >> $GITHUB_OUTPUT
+            echo "✅ OpenCode 版本: ${VERSION}"
+          else
+            # 如果命令输出格式不同，尝试直接输出
+            VERSION=$(opencode --version 2>/dev/null | head -n1 || echo "unknown")
+            echo "version=${VERSION}" >> $GITHUB_OUTPUT
+            echo "✅ OpenCode 版本: ${VERSION}"
+          fi
         else
-          echo "version=unknown" >> $GITHUB_OUTPUT
-          echo "⚠️ 无法获取 OpenCode 版本"
+          # 备用方案：使用已解析的版本号
+          VERSION="${{ steps.resolve-version.outputs.version }}"
+          echo "version=${VERSION}" >> $GITHUB_OUTPUT
+          echo "⚠️ opencode 命令不可用，使用已解析版本: ${VERSION}"
         fi
 
     - name: 检查更新状态