diff --git a/src/views/archivesManagement/archClass/archCatalogue/components/leftTree.vue b/src/views/archivesManagement/archClass/archCatalogue/components/leftTree.vue
index 0d5d360..c7e5c68 100644
--- a/src/views/archivesManagement/archClass/archCatalogue/components/leftTree.vue
+++ b/src/views/archivesManagement/archClass/archCatalogue/components/leftTree.vue
@@ -165,7 +165,7 @@ export default {
             return text.length > this.getMaxLabelLength();
         },
         getMaxLabelLength() {
-            return 27; // 统一控制阈值
+            return 100; // 统一控制阈值
         },
         // 获取左侧树列表
         async getLeftTreeList() {
@@ -248,9 +248,29 @@ export default {
 .node-label {
     flex: 1;
     min-width: 0;
-    overflow: hidden;
-    text-overflow: ellipsis;
-    white-space: nowrap;
+    overflow: visible;
+    text-overflow: initial;
+    white-space: normal; /* 允许换行 */
+    word-break: break-word; /* 长词断行 */
+    line-height: 20px;
+}
+
+/* 使行容器自适应高度并顶对齐，兼容多行文本 */
+.left-tree-list .el-tree-node__content {
+    display: flex;
+    align-items: flex-start;
+    height: auto;
+    min-height: 28px;
+    padding-top: 6px;
+    padding-bottom: 6px;
+    line-height: 20px;
+}
+
+/* 高亮选中状态同样自适应高度 */
+.el-tree--highlight-current .el-tree-node.is-current > .el-tree-node__content {
+    height: auto !important;
+    align-items: flex-start;
+    line-height: 20px;
 }
 
 /* 选中节点的背景色 */
@@ -273,7 +293,9 @@ export default {
 .left-tree-list .el-tree-node__content:hover {
     background-color: #f5f5f5;
 }
-
+.el-tree--highlight-current .el-tree-node.is-current > .el-tree-node__content {
+    height: auto;
+}
 /* 选中节点的悬停效果 */
 .left-tree-list .el-tree-node.is-current>.el-tree-node__content:hover {
     background-color: #8cc8ff;
@@ -290,4 +312,15 @@ export default {
 .left-tree-list .el-tree-node__content:hover .btn-box {
     opacity: 1;
 }
+
+::v-deep .el-tree-node__content {
+    display: -webkit-box;
+    display: -ms-flexbox;
+    display: flex;
+    -webkit-box-align: center;
+    -ms-flex-align: center;
+    align-items: center;
+    cursor: pointer;
+    height: auto;
+}
 </style>