diff --git a/src/index.less b/src/index.less
index c18e44f..cd8429a 100644
--- a/src/index.less
+++ b/src/index.less
@@ -408,7 +408,7 @@ textarea.ant-input {
 
 .ant-tree-title {
   .iconfont {
-    color: rgba(0, 0, 0, 0.3);
+    color: rgba(0, 0, 0, 0.2);
     cursor: pointer;
     &:hover {
       opacity: 0.8;
diff --git a/src/pages/course/index.tsx b/src/pages/course/index.tsx
index f454e8d..078aeae 100644
--- a/src/pages/course/index.tsx
+++ b/src/pages/course/index.tsx
@@ -149,7 +149,6 @@ export const CoursePage = () => {
       content: "确认删除此课程？",
       centered: true,
       okText: "确认",
-      okType: "danger",
       cancelText: "取消",
       onOk() {
         course.destroyCourse(id).then(() => {
diff --git a/src/pages/department/index.tsx b/src/pages/department/index.tsx
index 92dfdfc..017a2e0 100644
--- a/src/pages/department/index.tsx
+++ b/src/pages/department/index.tsx
@@ -72,7 +72,7 @@ export const DepartmentPage: React.FC = () => {
           title: (
             <div className="d-flex">
               <div className="w-250px mr-24">{departments[id][i].name}</div>
-              <Tooltip placement="top" title="可拖拽和点击">
+              <Tooltip placement="top" title="可拖拽排序">
                 <i
                   className="iconfont icon-icon-drag mr-16"
                   style={{ fontSize: 24 }}
@@ -105,7 +105,7 @@ export const DepartmentPage: React.FC = () => {
           title: (
             <div className="d-flex">
               <div className="w-250px mr-24">{departments[id][i].name}</div>
-              <Tooltip placement="top" title="可拖拽和点击">
+              <Tooltip placement="top" title="可拖拽排序">
                 <i
                   className="iconfont icon-icon-drag mr-16"
                   style={{ fontSize: 24 }}
@@ -154,7 +154,6 @@ export const DepartmentPage: React.FC = () => {
       content: "确认删除此部门？",
       centered: true,
       okText: "确认",
-      okType: "danger",
       cancelText: "取消",
       onOk() {
         department.destroyDepartment(id).then((res: any) => {
diff --git a/src/pages/member/index.tsx b/src/pages/member/index.tsx
index 7df61f8..92b5320 100644
--- a/src/pages/member/index.tsx
+++ b/src/pages/member/index.tsx
@@ -162,7 +162,6 @@ export const MemberPage: React.FC = () => {
       content: "确认删除此视频？",
       centered: true,
       okText: "确认",
-      okType: "danger",
       cancelText: "取消",
       onOk() {
         user.destroyUser(id).then((res: any) => {
diff --git a/src/pages/resource/images/index.tsx b/src/pages/resource/images/index.tsx
index 70480cb..447b0fb 100644
--- a/src/pages/resource/images/index.tsx
+++ b/src/pages/resource/images/index.tsx
@@ -55,7 +55,6 @@ export const ResourceImagesPage = () => {
       content: "确认删除选中图片？",
       centered: true,
       okText: "确认",
-      okType: "danger",
       cancelText: "取消",
       onOk() {
         resource.destroyResourceMulti(selectKey).then(() => {
diff --git a/src/pages/resource/resource-category/index.tsx b/src/pages/resource/resource-category/index.tsx
index d94e8f5..bcef9ae 100644
--- a/src/pages/resource/resource-category/index.tsx
+++ b/src/pages/resource/resource-category/index.tsx
@@ -69,7 +69,7 @@ export const ResourceCategoryPage: React.FC = () => {
           title: (
             <div className="d-flex">
               <div className="w-250px mr-24">{categories[id][i].name}</div>
-              <Tooltip placement="top" title="可拖拽和点击">
+              <Tooltip placement="top" title="可拖拽排序">
                 <i
                   className="iconfont icon-icon-drag mr-16"
                   style={{ fontSize: 24 }}
@@ -102,7 +102,7 @@ export const ResourceCategoryPage: React.FC = () => {
           title: (
             <div className="d-flex">
               <div className="w-250px mr-24">{categories[id][i].name}</div>
-              <Tooltip placement="top" title="可拖拽和点击">
+              <Tooltip placement="top" title="可拖拽排序">
                 <i
                   className="iconfont icon-icon-drag mr-16"
                   style={{ fontSize: 24 }}
diff --git a/src/pages/resource/videos/index.tsx b/src/pages/resource/videos/index.tsx
index c4cc525..9547f63 100644
--- a/src/pages/resource/videos/index.tsx
+++ b/src/pages/resource/videos/index.tsx
@@ -103,7 +103,6 @@ export const ResourceVideosPage = () => {
       content: "确认删除此视频？",
       centered: true,
       okText: "确认",
-      okType: "danger",
       cancelText: "取消",
       onOk() {
         resource.destroyResource(id).then(() => {
diff --git a/src/pages/system/administrator/index.tsx b/src/pages/system/administrator/index.tsx
index 6d47e6d..ff0b712 100644
--- a/src/pages/system/administrator/index.tsx
+++ b/src/pages/system/administrator/index.tsx
@@ -144,7 +144,6 @@ export const SystemAdministratorPage: React.FC = () => {
       content: "确认删除此人员？",
       centered: true,
       okText: "确认",
-      okType: "danger",
       cancelText: "取消",
       onOk() {
         adminUser.destroyAdminUser(id).then((res: any) => {
diff --git a/src/pages/system/adminroles/index.tsx b/src/pages/system/adminroles/index.tsx
index 6cd478c..c83e411 100644
--- a/src/pages/system/adminroles/index.tsx
+++ b/src/pages/system/adminroles/index.tsx
@@ -97,7 +97,6 @@ export const SystemAdminrolesPage: React.FC = () => {
       content: "确认删除此角色？",
       centered: true,
       okText: "确认",
-      okType: "danger",
       cancelText: "取消",
       onOk() {
         adminRole.destroyAdminRole(id).then((res: any) => {