diff --git a/app/src/main/java/net/xndroid/fqrouter/FqrouterManager.java b/app/src/main/java/net/xndroid/fqrouter/FqrouterManager.java
index 914964c..36cd73f 100755
--- a/app/src/main/java/net/xndroid/fqrouter/FqrouterManager.java
+++ b/app/src/main/java/net/xndroid/fqrouter/FqrouterManager.java
@@ -270,7 +270,7 @@ public void run() {
                             + "sh " + sXndroidFile + "/python/bin"
                             + (Build.VERSION.SDK_INT > 17 ? "/python-launcher.sh " : "/python-launcher-nopie.sh ")
                             + sXndroidFile + "/fqrouter/manager/main.py run "
-                            + ((AppModel.sDebug || AppModel.sLastFail) ? (" > " + sXndroidFile + "/log/fqrouter-output.log 2>&1 \n") : "\n")
+                            + ((AppModel.sDebug || AppModel.sLastFail) ? (" > " + sXndroidFile + "/log/fqrouter-output.log 2>&1 \n") : " >/dev/null 2>&1\n")
                             + "exit\n";
                 }else {
                     cmd = "cd " + sXndroidFile + " \n"
@@ -283,7 +283,7 @@ public void run() {
                             + (Build.VERSION.SDK_INT > 17 ? "/python-launcher.sh " : "/python-launcher-nopie.sh ")
                             + sXndroidFile + "/fqrouter/manager/vpn.py "
                             + (Build.VERSION.SDK_INT >= 20 ? " 26.26.26.1 26.26.26.2 " : " 10.25.1.1 10.25.1.2 ")
-                            + ((AppModel.sDebug || AppModel.sLastFail) ? (" > " + sXndroidFile + "/log/fqrouter-output.log 2>&1 \n") : "\n")
+                            + ((AppModel.sDebug || AppModel.sLastFail) ? (" > " + sXndroidFile + "/log/fqrouter-output.log 2>&1 \n") : " >/dev/null 2>&1\n")
                             + "exit\n";
                 }
                 LogUtils.i("try to start fqrouter, cmd: " + cmd);
diff --git a/fqrouter/manager/main.py b/fqrouter/manager/main.py
index fdb04a3..8a2760f 100755
--- a/fqrouter/manager/main.py
+++ b/fqrouter/manager/main.py
@@ -143,7 +143,7 @@ def handle_exit(environ, start_response):
 
 
 def setup_logging():
-    logging.basicConfig(stream=sys.stdout, level=logging.DEBUG if os.getenv('DEBUG') else (logging.CRITICAL + 1), format='%(asctime)s %(levelname)s %(message)s')
+    logging.basicConfig(stream=sys.stdout, level=logging.DEBUG if os.getenv('DEBUG') else logging.INFO, format='%(asctime)s %(levelname)s %(message)s')
     log_level = logging.DEBUG if os.getenv('DEBUG') else logging.INFO
     handler = logging.handlers.RotatingFileHandler(
         MANAGER_LOG_FILE, maxBytes=1024 * 512, backupCount=0)