diff --git a/src/main/java/com/hospital/front/HospitalFrontApp.java b/src/main/java/com/hospital/front/HospitalFrontApp.java
index 059cb8f..d2a765f 100644
--- a/src/main/java/com/hospital/front/HospitalFrontApp.java
+++ b/src/main/java/com/hospital/front/HospitalFrontApp.java
@@ -1,12 +1,13 @@
 package com.hospital.front;
 
 import java.io.File;
-import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Paths;
 
 import org.noear.solon.Solon;
 import org.noear.solon.annotation.SolonMain;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * 医院前置机主程序启动类。
@@ -20,29 +21,19 @@ import org.noear.solon.annotation.SolonMain;
 @SolonMain
 public class HospitalFrontApp {
 
+    private static final Logger log = LoggerFactory.getLogger(HospitalFrontApp.class);
+
     /**
      * 主入口。
      */
     public static void main(String[] args) {
-        // TODO 临时诊断代码：打印完整异常因果链，定位注入失败根因后移除
-        try {
-            Solon.start(HospitalFrontApp.class, args);
-        } catch (Throwable e) {
-            Throwable t = e;
-            int depth = 0;
-            while (t != null && depth < 10) {
-                System.err.println("=== 因果链[" + depth + "]: " + t.getClass().getName() + ": " + t.getMessage());
-                StackTraceElement[] stackTrace = t.getStackTrace();
-                for (int i = 0; i < Math.min(10, stackTrace.length); i++) {
-                    System.err.println("    at " + stackTrace[i]);
-                }
-                t = t.getCause();
-                depth++;
-            }
-            System.exit(1);
-        }
+        Solon.start(HospitalFrontApp.class, args);
         long pid = ProcessHandle.current().pid();
-        System.out.println("[HospitalFront] 启动完成，PID=" + pid);
+        // 走 logback 落盘（服务方式运行时控制台不可见，System.out 进不了日志文件）
+        log.info("启动完成，PID={}，激活医院={}，端口={}",
+                pid,
+                Solon.cfg().get("hospital.active", "?"),
+                Solon.cfg().get("server.port", "?"));
         // 写 PID 文件（供 start.bat stop / Agent 升级流程强杀使用）
         try {
             File dir = new File("pid");
@@ -58,7 +49,7 @@ public class HospitalFrontApp {
                 new File("pid/hospital-front.pid").delete();
             } catch (Exception ignored) {
             }
-            System.out.println("[HospitalFront] 优雅停机中...");
+            log.info("优雅停机中...");
         }));
     }
 }
diff --git a/src/main/java/com/hospital/front/adapter/HospitalRouter.java b/src/main/java/com/hospital/front/adapter/HospitalRouter.java
index 3128632..8c0665b 100644
--- a/src/main/java/com/hospital/front/adapter/HospitalRouter.java
+++ b/src/main/java/com/hospital/front/adapter/HospitalRouter.java
@@ -2,6 +2,8 @@ package com.hospital.front.adapter;
 
 import org.noear.solon.Solon;
 import org.noear.solon.annotation.Component;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.util.HashMap;
 import java.util.List;
@@ -17,6 +19,8 @@ import java.util.Set;
 @Component
 public class HospitalRouter {
 
+    private static final Logger log = LoggerFactory.getLogger(HospitalRouter.class);
+
     /** 启动激活的医院编码（默认 jinghe） */
     private final String activeCode = Solon.cfg().get("hospital.active", "jinghe");
 
@@ -24,7 +28,8 @@ public class HospitalRouter {
     private volatile Map<String, HospitalAdapter> map;
 
     public HospitalRouter() {
-        System.out.println("[HospitalRouter] 启动激活医院：" + activeCode);
+        // 走 logback 落盘（服务方式运行时 System.out 进不了日志文件）
+        log.info("启动激活医院：{}", activeCode);
     }
 
     /**
diff --git a/src/main/resources/app.yml b/src/main/resources/app.yml
index 54caf5d..5d4ef2e 100644
--- a/src/main/resources/app.yml
+++ b/src/main/resources/app.yml
@@ -69,7 +69,7 @@ logging:
   level:
     root: INFO
     com.hospital.front: INFO
-    org.noear: WARN
+    org.noear: INFO
 
 # ====================================
 # Uptime-Kuma 监控（沿用原 hospitalmiddle 逻辑）