diff --git a/src/assets/styles/index.scss b/src/assets/styles/index.scss
index a39b8336..9f58b221 100644
--- a/src/assets/styles/index.scss
+++ b/src/assets/styles/index.scss
@@ -651,7 +651,8 @@ li{
         color: #000000;
         margin-left: 4px;
         .el-input__inner {
-          width: 28px;
+          width: 100%;
+          min-width: 28px;
           height: 28px;
           background: #F5F9FF;
           border-radius: 4px;
diff --git a/src/views/course/CourseManage.vue b/src/views/course/CourseManage.vue
index b42abb8c..206e2892 100644
--- a/src/views/course/CourseManage.vue
+++ b/src/views/course/CourseManage.vue
@@ -1410,7 +1410,8 @@ export default {
         color: #000000;
         margin-left: 4px;
         .el-input__inner {
-          width: 28px;
+          width: 100%;
+          min-width: 28px;
           height: 28px;
           background: #f5f9ff;
           border-radius: 4px;
diff --git a/src/views/course/ManageListRemote.vue b/src/views/course/ManageListRemote.vue
index 12d18ea1..2a7ce99b 100644
--- a/src/views/course/ManageListRemote.vue
+++ b/src/views/course/ManageListRemote.vue
@@ -758,6 +758,7 @@ export default {
     },
     handleTeacherChange(value = []) {
       this.params.teacherId = (value || []).join(',');
+      this.adjustTeacherWidth();
     },
     handleTeacherClear() {
       this.teacherSelected = [];
@@ -821,10 +822,12 @@ export default {
     },
     handleCreatorChange(value = []) {
       this.params.createUserId = (value || []).slice(0, 5).join(',');
+      this.adjustCreatorWidth();
     },
     handleCreatorClear() {
       this.creatorSelected = [];
       this.params.createUserId = '';
+      this.adjustCreatorWidth();
     },
     // 创建人下拉展开时，如果当前没有关键字，则清空上一次的查询结果
     handleCreatorVisibleChange(visible) {
@@ -843,6 +846,7 @@ export default {
       if (this.$refs.teacherSelect) {
         this.$refs.teacherSelect.query = limited;
       }
+      this.adjustTeacherWidth();
     },
     limitCreatorInput(event) {
       const limited = (event && event.target && event.target.value ? event.target.value : '').slice(0, 50);
@@ -852,6 +856,7 @@ export default {
       if (this.$refs.creatorSelect) {
         this.$refs.creatorSelect.query = limited;
       }
+      this.adjustCreatorWidth();
     },
     limitResOwnerInput(event) {
       const limited = (event && event.target && event.target.value ? event.target.value : '').slice(0, 200);
@@ -892,6 +897,9 @@ export default {
     },
     resOwnerFilterMethod(node, keyword) {
       if (!keyword) return true;
+      // 只对叶子节点做匹配，避免同一个名称在父/子层级出现时，看起来像“重复数据”
+      const isLeaf = node.isLeaf || (node.data && node.data.leaf);
+      if (!isLeaf) return false;
       const text = (node.label || (node.data && node.data.name) || '').toString().toLowerCase();
       const kw = keyword.toString().toLowerCase();
       return text.includes(kw);
@@ -1508,6 +1516,14 @@ export default {
       sessionStorage.setItem('courseDetail', JSON.stringify(row));
       this.$router.push({ path: '/iframe/course/coursemanage-remote' });
     },
+    // 克隆一个用于懒加载的节点：只保留当前层必要字段，不预置 children，避免 Element Cascader 出现重复节点
+    cloneOrgNodeForLazy(node = {}) {
+      return {
+        id: node.id,
+        name: node.name,
+        leaf: node.leaf,
+      };
+    },
     // 前端“伪懒加载”：根据本地全量机构树按需返回子节点
     // 为了让 el-cascader 的 loading 动画有可见效果，这里故意加入一个很小的延时再 resolve
     async loadResOwnerNodeFromCache(node, resolve) {
@@ -1517,9 +1533,15 @@ export default {
           setTimeout(() => resolve(nodes), 150);
         };
 
-        // 根节点（level === 0）：返回所有一级机构
+        // 如果当前节点在数据上被标记为叶子节点，直接返回空数组，不再触发“懒加载”
+        if (node && node.data && node.data.leaf) {
+          return resolve([]);
+        }
+
+        // 根节点（level === 0）：返回所有一级机构（只返回当前层的浅拷贝，不带 children，避免重复）
         if (node.level === 0) {
-          return delayResolve(this.resOwnerTreeAll || []);
+          const roots = (this.resOwnerTreeAll || []).map(item => this.cloneOrgNodeForLazy(item));
+          return delayResolve(roots);
         }
 
         // 其他层级：根据当前节点 id 在树中查找对应节点，再返回其 children
@@ -1543,11 +1565,25 @@ export default {
         };
 
         const target = findNodeById(this.resOwnerTreeAll || [], currentId);
-        if (target && Array.isArray(target.children)) {
-          delayResolve(target.children);
-        } else {
-          delayResolve([]);
+        if (!target) {
+          // 未找到对应节点，直接返回空
+          return resolve([]);
         }
+
+        // 如果在树里这个节点本身就是叶子节点，同样直接返回空，不展示 loading
+        if (target.leaf) {
+          return resolve([]);
+        }
+
+        if (Array.isArray(target.children) && target.children.length > 0) {
+          // 有子节点时，只返回当前层的浅拷贝，不预置更深 children，避免重复
+          const children = target.children.map(child => this.cloneOrgNodeForLazy(child));
+          // 做一个轻微延迟，让 loading 有一点点反馈
+          return delayResolve(children);
+        }
+
+        // 没有子节点，直接返回空
+        return resolve([]);
       } catch (e) {
         console.error('本地懒加载资源归属节点失败:', e);
         resolve([]);
@@ -1557,6 +1593,10 @@ export default {
       if (!value || value.length === 0) {
         this.orgId = '';
         this.orgName = '';
+        // 清空选择时，直接收起下拉
+        if (this.$refs.resOwnerCascader) {
+          this.$refs.resOwnerCascader.dropDownVisible = false;
+        }
         return;
       }
       // value 是选中的路径数组，最后一个元素是选中的节点ID
@@ -1571,31 +1611,49 @@ export default {
             const lastNode = checkedNodes[checkedNodes.length - 1];
             this.orgName = lastNode.label || lastNode.name || '';
           }
+          // 选中后自动收起下拉
+          this.$refs.resOwnerCascader.dropDownVisible = false;
         }
       });
     },
     // 将后端机构节点转换为级联组件所需结构
     mapOrgToCascaderNode(node = {}) {
-      const children = Array.isArray(node.childList)
+      const hasChildren = Array.isArray(node.childList) && node.childList.length > 0;
+      const children = hasChildren
         ? node.childList.map(child => this.mapOrgToCascaderNode(child))
         : [];
       return {
         id: node.organizationId,
         name: node.orgName,
         children,
+        // childList 为空就标记为叶子节点，去掉右侧箭头，且不再触发懒加载
+        leaf: !hasChildren,
       };
     },
     // 加载资源归属全量机构树
     async loadAllResOwnerTree() {
       try {
         const res = await apiUserbasic.getAllOrgTree();
+        // 调试日志：打印原始机构树与映射后的树结构，用于排查“重复节点”问题
+        try {
+          const raw = res && res.result && res.result.orgTreeList
+            ? JSON.parse(JSON.stringify(res.result.orgTreeList))
+            : [];
+          // 注意：这里日志仅用于前端调试，确认后可删除
+          console.log('[资源归属] getAllOrgTree 原始 orgTreeList =>', raw);
+        } catch (e) {
+          console.warn('[资源归属] 打印 orgTreeList 日志失败:', e);
+        }
+
         if (res && res.status === 200 && res.result && Array.isArray(res.result.orgTreeList)) {
           this.resOwnerTreeAll = res.result.orgTreeList.map(item => this.mapOrgToCascaderNode(item));
+          console.log('[资源归属] 映射后的 resOwnerTreeAll =>', this.resOwnerTreeAll);
           // 默认进入非搜索模式，由懒加载从本地树按需返回节点
           this.resOwnerOptions = [];
         } else if (res && res.result && Array.isArray(res.result.orgTreeList)) {
           // 兼容没有 status 字段但有 result 的情况
           this.resOwnerTreeAll = res.result.orgTreeList.map(item => this.mapOrgToCascaderNode(item));
+          console.log('[资源归属] 映射后的 resOwnerTreeAll(无status) =>', this.resOwnerTreeAll);
           this.resOwnerOptions = [];
         } else {
           this.resOwnerTreeAll = [];
@@ -1718,6 +1776,9 @@ export default {
     buildActions(row) {
       const actions = [];
       // 优先级按原有展示顺序
+      if (row.isPermission && !this.forChoose && row.status == 2) {
+        actions.push({ key: 'withdraw', label: '撤回', className: 'action-link--primary' });
+      }
       if (row.isPermission && row.status != 2) {
         actions.push({ key: 'edit', label: '编辑', className: 'action-link--primary' });
       }
@@ -1727,9 +1788,6 @@ export default {
       if (row.isPermission && !this.forChoose && row.published) {
         actions.push({ key: 'manage', label: '管理', className: 'action-link--primary' });
       }
-      if (row.isPermission && !this.forChoose && row.status == 2) {
-        actions.push({ key: 'withdraw', label: '撤回', className: 'action-link--primary' });
-      }
       if ((row.isPermission && row.status != 2 && !row.published) || (row.isPermission && !row.enabled)) {
         actions.push({ key: 'delete', label: '删除', className: 'action-link--danger' });
       }
@@ -1751,6 +1809,35 @@ export default {
       const actions = this.buildActions(row);
       return actions.length > 4 ? actions.slice(4) : [];
     }
+    ,
+    // 按已选标签宽度动态调整“授课教师”选择框宽度
+    adjustTeacherWidth() {
+      this.$nextTick(() => {
+        const select = this.$refs.teacherSelect;
+        this.adjustSelectWidth(select, 200, 800, 60);
+      });
+    },
+    // 按已选标签宽度动态调整“创建人”选择框宽度
+    adjustCreatorWidth() {
+      this.$nextTick(() => {
+        const select = this.$refs.creatorSelect;
+        this.adjustSelectWidth(select, 200, 800, 60);
+      });
+    },
+    // 通用：累加 el-select__tags 内所有 tag 的宽度，设置选择框宽度
+    adjustSelectWidth(selectRef, min = 200, max = 800, extra = 0) {
+      if (!selectRef || !selectRef.$el) return;
+      const el = selectRef.$el;
+      const tags = Array.from(el.querySelectorAll('.el-select__tags .el-tag'));
+      const inputInner = el.querySelector('.el-input__inner');
+      const padding = 24; // 预留箭头/输入余量
+      const tagsWidth = tags.reduce((sum, tag) => sum + (tag.getBoundingClientRect().width || 0), 0);
+      const target = Math.max(min, Math.min(tagsWidth + padding + extra, max));
+      el.style.width = `${target}px`;
+      if (inputInner) {
+        inputInner.style.width = `${target}px`;
+      }
+    }
   }
 };
 </script>
@@ -2065,7 +2152,7 @@ export default {
       color: #000000;
       margin-left: 4px;
       .el-input__inner {
-        width: 28px;
+        min-width: 28px;
         height: 28px;
         background: #F5F9FF;
         border-radius: 4px;
@@ -2149,7 +2236,12 @@ export default {
   background-color: #4284F7
 }
 
-
+::v-deep .el-table__empty-block {
+  width: 100% !important;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
 
 ::v-deep.el-table {
   border-radius: 6px 6px 0 0;
@@ -2292,7 +2384,7 @@ export default {
     border-radius: 6px;
     border: 1px solid rgba(0, 0, 0, .2);
     line-height: 32px;
-    padding: 0 10px;
+    padding: 0 15px 0 10px;
     &:focus {
       border-color: #4284F7;
     }
@@ -2309,7 +2401,7 @@ export default {
       border-radius: 6px;
       border: 1px solid rgba(0, 0, 0, .2);
       line-height: 32px;
-      padding: 0 10px;
+      padding: 0 15px 0 10px;
       color: #000000;
       &:focus {
         border: 1px solid #4284F7;
@@ -2341,13 +2433,14 @@ export default {
       margin-left: 10px;
     }
     .el-input__inner {
-      width: 180px;
+      min-width: 180px;
+      width: auto;
       height: 32px;
       background: #FFFFFF;
       border-radius: 6px;
       border: 1px solid rgba(0, 0, 0, .2);
       line-height: 32px;
-      padding: 0 10px;
+      padding: 0 15px 0 10px;
     }
     .el-input {
       &.is-focus .el-input__inner{
@@ -2370,7 +2463,7 @@ export default {
       border-radius: 6px;
       border: 1px solid rgba(0, 0, 0, .2);
       line-height: 32px;
-      padding: 0 10px;
+      padding: 0 15px 0 10px;
       &.is-focus .el-input__inner{
         border-color: #4284F7;
       }
@@ -2395,7 +2488,7 @@ export default {
       border-radius: 6px;
       border: 1px solid rgba(0, 0, 0, .2);
       line-height: 32px;
-      padding: 0 10px;
+      padding: 0 15px 0 10px;
       &.is-focus .el-input__inner{
         border-color: #4284F7;
       }
@@ -2420,7 +2513,7 @@ export default {
       border-radius: 6px;
       border: 1px solid rgba(0, 0, 0, .2);
       line-height: 32px;
-      padding: 0 10px;
+      padding: 0 15px 0 10px;
       &.is-focus .el-input__inner{
         border-color: #4284F7;
       }
@@ -2446,7 +2539,7 @@ export default {
       border-radius: 6px;
       border: 1px solid rgba(0, 0, 0, .2);
       line-height: 32px;
-      padding: 0 10px;
+      padding: 0 15px 0 10px;
       &.is-focus .el-input__inner{
         border-color: #4284F7;
       }
@@ -2460,16 +2553,18 @@ export default {
 
 .filter-field--resowner {
   .el-cascader {
-    width: 180px;
+    min-width: 200px;
+    width: auto;
     line-height: 32px;
     .el-input__inner {
-      width: 180px;
+      min-width: 200px;
+      width: auto;
       height: 32px;
       background: #FFFFFF;
       border-radius: 6px;
       border: 1px solid rgba(0, 0, 0, .2);
       line-height: 32px;
-      padding: 0 10px;
+      padding: 0 15px 0 10px;
       &:focus {
         border-color: #4284F7;
       }
@@ -2480,31 +2575,35 @@ export default {
   }
   .el-input {
     .el-input__inner {
-      width: 180px;
+      min-width: 200px;
+      width: auto;
       height: 32px;
       background: #FFFFFF;
       border-radius: 6px;
       border: 1px solid rgba(0, 0, 0, .2);
       line-height: 32px;
-      padding: 0 10px;
+      padding: 0 15px 0 10px;
     }
   }
 }
 
 .filter-field--creator {
   .el-select {
+    min-width: 180px;
+    width: auto;
     .el-select__input {
       margin-left: 10px;
     }
 
     .el-input__inner {
-      width: 136px;
+      min-width: 180px;
+      width: auto;
       height: 32px;
       background: #FFFFFF;
       border-radius: 6px;
       border: 1px solid rgba(0, 0, 0, .2);
       line-height: 32px;
-      padding: 0 10px;
+      padding: 0 15px 0 10px;
       &.is-focus .el-input__inner{
         border-color: #4284F7;
       }
@@ -2520,13 +2619,13 @@ export default {
     }
 
     .el-input__inner {
-      width: 180px;
+      width: 136px;
       height: 32px;
       background: #FFFFFF;
       border-radius: 6px;
       border: 1px solid rgba(0, 0, 0, .2);
       line-height: 32px;
-      padding: 0 10px;
+      padding: 0 15px 0 10px;
       &.is-focus .el-input__inner{
         border-color: #4284F7;
       }
@@ -2547,7 +2646,7 @@ export default {
     border-radius: 6px;
     border: 1px solid rgba(0, 0, 0, .2);
     line-height: 32px;
-    padding: 0 10px;
+    padding: 0 15px 0 10px;
 
     .el-input__icon {
       line-height: 32px;