diff --git a/src/manager.c b/src/manager.c
index d10aa226..32d780f9 100644
--- a/src/manager.c
+++ b/src/manager.c
@@ -159,10 +159,6 @@ construct_command_line(struct manager_ctx *manager, struct server *server)
         int len = strlen(cmd);
         snprintf(cmd + len, BUF_SIZE - len, " --fast-open");
     }
-    if (manager->reuse_port) {
-        int len = strlen(cmd);
-        snprintf(cmd + len, BUF_SIZE - len, " --reuse-port");
-    }
     if (manager->ipv6first) {
         int len = strlen(cmd);
         snprintf(cmd + len, BUF_SIZE - len, " -6");
@@ -187,6 +183,11 @@ construct_command_line(struct manager_ctx *manager, struct server *server)
         int len = strlen(cmd);
         snprintf(cmd + len, BUF_SIZE - len, " -s %s", manager->hosts[i]);
     }
+    // Always enable reuse port
+    {
+        int len = strlen(cmd);
+        snprintf(cmd + len, BUF_SIZE - len, " --reuse-port");
+    }
 
     if (verbose) {
         LOGI("cmd: %s", cmd);
@@ -434,7 +435,7 @@ static void
 get_and_release_sock_lock(char *port)
 {
     if (verbose) {
-        LOGI("try to get and release sock lock at port: %s", port);
+        LOGI("try to release sock lock at port: %s", port);
     }
 
     sock_lock_t *sock_lock = NULL;
@@ -635,6 +636,9 @@ remove_server(char *prefix, char *port)
 static void
 update_stat(char *port, uint64_t traffic)
 {
+    if (verbose) {
+        LOGI("update traffic %" PRIu64 " for port %s", traffic, port);
+    }
     void *ret = cork_hash_table_get(server_table, (void *)port);
     if (ret != NULL) {
         struct server *server = (struct server *)ret;
diff --git a/src/netutils.h b/src/netutils.h
index e2819402..95451fa1 100644
--- a/src/netutils.h
+++ b/src/netutils.h
@@ -56,7 +56,7 @@
 #endif
 
 #ifndef UPDATE_INTERVAL
-#define UPDATE_INTERVAL 10
+#define UPDATE_INTERVAL 5
 #endif
 
 /** byte size of ip4 address */
diff --git a/src/server.c b/src/server.c
index ac94cfa8..142cb980 100644
--- a/src/server.c
+++ b/src/server.c
@@ -117,7 +117,7 @@ static int server_conn = 0;
 
 static char *plugin          = NULL;
 static char *bind_address    = NULL;
-static char *server_port     = NULL;
+static char *remote_port     = NULL;
 static char *manager_address = NULL;
 uint64_t tx                  = 0;
 uint64_t rx                  = 0;
@@ -142,7 +142,7 @@ stat_update_cb(EV_P_ ev_timer *watcher, int revents)
         LOGI("update traffic stat: tx: %" PRIu64 " rx: %" PRIu64 "", tx, rx);
     }
 
-    snprintf(resp, BUF_SIZE, "stat: {\"%s\":%" PRIu64 "}", server_port, tx + rx);
+    snprintf(resp, BUF_SIZE, "stat: {\"%s\":%" PRIu64 "}", remote_port, tx + rx);
     msgLen = strlen(resp) + 1;
 
     ss_addr_t ip_addr = { .host = NULL, .port = NULL };
@@ -157,7 +157,7 @@ stat_update_cb(EV_P_ ev_timer *watcher, int revents)
 
         memset(&claddr, 0, sizeof(struct sockaddr_un));
         claddr.sun_family = AF_UNIX;
-        snprintf(claddr.sun_path, sizeof(claddr.sun_path), "/tmp/shadowsocks.%s", server_port);
+        snprintf(claddr.sun_path, sizeof(claddr.sun_path), "/tmp/shadowsocks.%s", remote_port);
 
         unlink(claddr.sun_path);
 
@@ -1345,6 +1345,7 @@ main(int argc, char **argv)
     char *conf_path = NULL;
     char *iface     = NULL;
 
+    char *server_port = NULL;
     char *plugin_opts = NULL;
     char *plugin_port = NULL;
     char tmp_port[8];
@@ -1558,6 +1559,8 @@ main(int argc, char **argv)
         exit(EXIT_FAILURE);
     }
 
+    remote_port = server_port;
+
     if (plugin != NULL) {
         uint16_t port = get_local_port();
         if (port == 0) {