diff --git a/.gitea/workflows/cd.yaml b/.gitea/workflows/cd.yaml
index 41c6382b..5e9b6df3 100644
--- a/.gitea/workflows/cd.yaml
+++ b/.gitea/workflows/cd.yaml
@@ -206,18 +206,23 @@ jobs:
           echo "✅ 部署完成"
 
           # Health Check (同一 SSH session，省去再次握手)
+          # 2026-04-01 Claude Code: 改用 break+flag，避免 exit 0 在 heredoc 引發 SIGPIPE
           sleep 10
+          HEALTH_PASS=0
           for i in 1 2 3; do
             HTTP_CODE=$(curl -s -w "%{http_code}" -o /dev/null --connect-timeout 10 "http://localhost:32334/api/v1/health")
             if [ "$HTTP_CODE" = "200" ]; then
               echo "✅ API 健康檢查通過"
-              exit 0
+              HEALTH_PASS=1
+              break
             fi
             echo "⏳ 嘗試 #$i: HTTP $HTTP_CODE，等待 10s..."
             sleep 10
           done
-          echo "❌ API 健康檢查失敗"
-          exit 1
+          if [ "$HEALTH_PASS" = "0" ]; then
+            echo "❌ API 健康檢查失敗"
+            exit 1
+          fi
           DEPLOY
 
       - name: Notify Health Check Success