diff --git a/tenant-service/src/main/java/com/xuqm/tenant/service/SystemUpdateService.java b/tenant-service/src/main/java/com/xuqm/tenant/service/SystemUpdateService.java
index 4cb632e..54e7ed6 100644
--- a/tenant-service/src/main/java/com/xuqm/tenant/service/SystemUpdateService.java
+++ b/tenant-service/src/main/java/com/xuqm/tenant/service/SystemUpdateService.java
@@ -801,6 +801,17 @@ public class SystemUpdateService {
                     "up", "-d", "--no-deps", "--force-recreate", svc);
             // 拿到 compose up 之后最新创建的容器 ID，排除旧容器干扰
             String newContainerId = getNewestContainerId(svc);
+            emit.accept("  [debug] " + svc + " newContainerId=" + newContainerId);
+            // Log all containers visible for this service label
+            try {
+                Process dbgPs = new ProcessBuilder("docker", "ps", "-a",
+                        "--filter", "label=com.docker.compose.service=" + svc,
+                        "--format", "{{.ID}} {{.Names}} {{.Status}} {{.CreatedAt}}")
+                        .redirectErrorStream(true).start();
+                String dbgOut = new String(dbgPs.getInputStream().readAllBytes(), StandardCharsets.UTF_8).trim();
+                dbgPs.waitFor();
+                for (String l : dbgOut.split("\n")) { if (!l.isBlank()) emit.accept("  [debug] " + l); }
+            } catch (Exception ignored) {}
 
             boolean healthy = waitForServiceStable(emit, svc, newContainerId, HEALTH_CHECK_TIMEOUT_SEC);
             if (healthy) {
@@ -943,6 +954,7 @@ public class SystemUpdateService {
                     ).redirectErrorStream(true).start();
                     statusLine = new String(ins.getInputStream().readAllBytes(), StandardCharsets.UTF_8).trim();
                     ins.waitFor();
+                    emit.accept("  [debug] " + service + " t=" + elapsed + "s inspect " + containerId + " → " + statusLine);
                 } else {
                     // 退化模式：查 running 容器
                     Process runPs = new ProcessBuilder(