startb：journal自带时间，不需要在标签名里重申

bin/startb

@@ -73,10 +73,10 @@ log_to_journal() {
   # fi
 
   if command -v systemd-cat >/dev/null 2>&1; then
-    nohup setsid systemd-cat -t "$UNIT_NAME" -- "${COMMAND[@]}" >/dev/null 2>&1 &
+    nohup setsid systemd-cat -t "$UNIT_BASE" -- "${COMMAND[@]}" >/dev/null 2>&1 &
     local pid=$!
     disown "$pid" 2>/dev/null || true
-    echo "$UNIT_NAME started with systemd-cat (pid=$pid), journald logging enabled"
+    echo "$UNIT_BASE started with systemd-cat (pid=$pid), journald logging enabled"
     return 0
   fi