海报标题显示优化

@@ -6,7 +6,7 @@
     <div class="poster-contain-wrapper">
       <div v-if="flag" style="border: 1.5px solid #9C8882; box-shadow: 8px 8px 8px 0px rgba(156,136,130,1); height: 100%;">
         <div ref="canvasRef" class="poster-contain" style="">
-          <div class="poster-text-boxer">
+          <div v-if="tree_data?.name" class="poster-text-boxer">
             <div class="poster-text">
               <span class="name">{{ tree_data?.name }}</span>
               <div class="nickname">{{ tree_data?.nickname }}</div>
@@ -262,6 +262,7 @@ const afterRead = async (res) => {
             -webkit-text-stroke: 1px #1F6D4E;
           }
           .nickname {
+            writing-mode: lr;
             font-size: 0.95rem;
             position: absolute;
             top: 0.5rem;