diff --git a/src/views/business/project-apply.vue b/src/views/business/project-apply.vue
index e05c03d..e4b41bb 100644
--- a/src/views/business/project-apply.vue
+++ b/src/views/business/project-apply.vue
@@ -224,7 +224,7 @@
               placeholder="请选择"
               filterable
               clearable
-              :disabled="isBasicInfoReadonly"
+              :disabled="dialogReadonly"
             />
           </el-form-item>
           <el-form-item label="平台公司" prop="undertakeDeptId">
@@ -236,7 +236,7 @@
               collapse-tags-tooltip
               clearable
               filterable
-              :disabled="isBasicInfoReadonly"
+              :disabled="dialogReadonly"
               @change="handleUndertakeDeptChange"
             >
               <el-option
@@ -2493,7 +2493,8 @@ export default {
     loadDeptOptions() {
       getDeptTree().then(res => {
         const deptTree = res.data.data || [];
-        const businessDeptTree = ['add', 'edit', 'majorSupplement'].includes(this.dialogType)
+        // 新增/编辑/重大补录/项目变更均可选择业务部门，排除外部组织
+        const businessDeptTree = ['add', 'edit', 'majorSupplement', 'change'].includes(this.dialogType)
           ? this.excludeExternalOrganization(deptTree)
           : deptTree;
         this.deptOptions = this.flattenDept(businessDeptTree);
diff --git a/src/views/system/dept.vue b/src/views/system/dept.vue
index 5136762..bfac437 100644
--- a/src/views/system/dept.vue
+++ b/src/views/system/dept.vue
@@ -299,6 +299,8 @@ export default {
             label: '组织名称',
             prop: 'deptName',
             minWidth: 320,
+            align: 'left',
+            headerAlign: 'left',
             order: 80,
             search: true,
             searchOrder: 2,
@@ -1518,6 +1520,12 @@ export default {
 </script>
 
 <style scoped>
+/* 覆盖全站表格居中：树形组织名称需左对齐，展开后缩进才可读 */
+:deep(.el-table th.el-table__cell.is-left .cell),
+:deep(.el-table td.el-table__cell.is-left .cell) {
+  text-align: left;
+}
+
 .carrier-search-form {
   padding: 12px 12px 4px;
   box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);