diff --git a/src/renderer/src/components/choose-textbook/index.vue b/src/renderer/src/components/choose-textbook/index.vue
index 50526fb..811c1cc 100644
--- a/src/renderer/src/components/choose-textbook/index.vue
+++ b/src/renderer/src/components/choose-textbook/index.vue
@@ -11,15 +11,21 @@
           :default-expanded-keys="defaultExpandedKeys" :current-node-key="curNode.data.id" highlight-current
           @node-click="handleNodeClick">
           <template #default="{ node, data }">
-            <div v-if="props.isClassTask && (data.bookId == '' || data.bookId == '0')">
-              <el-tooltip effect="light" placement="right" content="该单元章节无自主试题">
-                <span class="tree-label" style="color: #A5B3CA">
+            <div v-if="props.isClassTask && (data.bookId == '' || data.bookId == '0')" class="tree-label-wrap">
+              <el-tooltip effect="light" placement="right" >
+                <template #content> {{ node.label }}<br /><span style="color: red;">-该单元章节无自主试题-</span> </template>
+                <span class="tree-label" style="color: #A5B3CA" >
                   {{ node.label }}
                 </span>
               </el-tooltip>
             </div>
-            <div v-else>
-              <span class="tree-label">{{ node.label }}</span>
+            <div v-else class="tree-label-wrap">
+              <el-tooltip effect="light" placement="right" >
+                <template #content> {{ node.label }}</template>
+                <span class="tree-label">
+                  {{ node.label }}
+                </span>
+              </el-tooltip>
             </div>
           </template>
         </el-tree>
@@ -334,7 +340,7 @@ onMounted( async () => {
   }
 }
 
-.tree-label {
+.tree-label-wrap, .tree-label {
   white-space: nowrap;
   overflow: hidden;
   text-overflow: ellipsis;