diff --git a/src/compenents/permission-button/index.tsx b/src/compenents/permission-button/index.tsx
index 0633c587a0451cb60aaaa17f9e6219b9e68e2a49..4d86eb99734adb1bd52967274392a7abba8c041b 100644
--- a/src/compenents/permission-button/index.tsx
+++ b/src/compenents/permission-button/index.tsx
@@ -6,7 +6,7 @@ interface PropInterface {
   text: string;
   p: string;
   class: string;
-  icon: any;
+  icon?: any;
   onClick?: () => void;
   disabled: any;
 }
diff --git a/src/compenents/tree-department/index.tsx b/src/compenents/tree-department/index.tsx
index e64210156b21cef5e3407c8f463e05e94d4e3851..5f4dc060d1b504955fd4f808ac67e53853b19c6b 100644
--- a/src/compenents/tree-department/index.tsx
+++ b/src/compenents/tree-department/index.tsx
@@ -129,8 +129,10 @@ export const TreeDepartment = (props: PropInterface) => {
     if (info) {
       label = info.node.title.props.children;
     }
-    props.onUpdate(selectedKeys, label);
-    setSelectKey(selectedKeys);
+    if (selectedKeys.length <= 1) {
+      props.onUpdate(selectedKeys, label);
+      setSelectKey(selectedKeys);
+    }
   };
 
   const onExpand = (selectedKeys: any, info: any) => {
@@ -138,8 +140,10 @@ export const TreeDepartment = (props: PropInterface) => {
     if (info) {
       label = info.node.title.props.children;
     }
-    props.onUpdate(selectedKeys, label);
-    setSelectKey(selectedKeys);
+    if (selectedKeys.length <= 1) {
+      props.onUpdate(selectedKeys, label);
+      setSelectKey(selectedKeys);
+    }
   };
 
   return (
diff --git a/src/pages/course/compenents/create.tsx b/src/pages/course/compenents/create.tsx
index c0d1dce2377ca95c532419e673803b4d825271c2..87330f62f592645ae3d2f1742ccb27e260ac5cea 100644
--- a/src/pages/course/compenents/create.tsx
+++ b/src/pages/course/compenents/create.tsx
@@ -330,6 +330,10 @@ export const CourseCreate: React.FC<PropInterface> = ({
       });
     } else {
       setChapterType(e.target.value);
+      setChapters([]);
+      setHours([]);
+      setChapterHours([]);
+      setTreeData([]);
     }
   };
 
diff --git a/src/pages/member/index.tsx b/src/pages/member/index.tsx
index 5684213e4f40b2dcd9939c8e4108c0848f0ddcbd..f9b393dcf4703e7a099a67391faf3befd44aea3b 100644
--- a/src/pages/member/index.tsx
+++ b/src/pages/member/index.tsx
@@ -396,7 +396,6 @@ const MemberPage = () => {
                     type="default"
                     text="部门学员进度"
                     class="mr-16"
-                    icon={null}
                     p="department-user-learn"
                     disabled={null}
                   />
diff --git a/src/pages/system/config/index.tsx b/src/pages/system/config/index.tsx
index 4145c822d803f32fcb2377b83fa956f00051ffb6..c7a8616333c79953d5001c68aa3209b6eb89817c 100644
--- a/src/pages/system/config/index.tsx
+++ b/src/pages/system/config/index.tsx
@@ -170,10 +170,6 @@ const SystemConfigPage = () => {
           form.setFieldsValue({
             "ldap.base_dn": configData[i].key_value,
           });
-        } else if (configData[i].key_name === "ldap.user_dn_prefix") {
-          form.setFieldsValue({
-            "ldap.user_dn_prefix": configData[i].key_value,
-          });
         }
       }
     });
@@ -731,7 +727,7 @@ const SystemConfigPage = () => {
                 />
               </Form.Item>
               <div className="helper-text">
-                （LDAP的对外服务地址。例如：ldap.example.com）
+                （LDAP的对外服务地址。例如：ldap://ldap.example.com:389）
               </div>
             </Space>
           </Form.Item>
@@ -765,21 +761,7 @@ const SystemConfigPage = () => {
                   placeholder="请填写基本DN"
                 />
               </Form.Item>
-              <div className="helper-text">（从LDAP根节点搜索用户）</div>
-            </Space>
-          </Form.Item>
-          <Form.Item style={{ marginBottom: 30 }} label="附件用户DN">
-            <Space align="baseline" style={{ height: 32 }}>
-              <Form.Item name="ldap.user_dn_prefix">
-                <Input
-                  style={{ width: 274 }}
-                  allowClear
-                  placeholder="请填写基本DN"
-                />
-              </Form.Item>
-              <div className="helper-text">
-                （搜索用户时，基于基础DN的搜索范围限制）
-              </div>
+              <div className="helper-text">（从此节点搜索用户）</div>
             </Space>
           </Form.Item>
           <Form.Item