diff --git a/src/api/CONST.js b/src/api/CONST.js
index b127de7..5224c3a 100644
--- a/src/api/CONST.js
+++ b/src/api/CONST.js
@@ -45,9 +45,9 @@ export const TASK_TYPES = {
 
   path: {
     // 增加异步防止ios阻止弹窗弹出
-    1: ({ courseId }) => setTimeout(() => { window.open(window.location.protocol + import.meta.env.VITE_BOE_ONLINE_CLASS_URL + courseId) }), //在线
+    1: ({ courseId }) => setTimeout(() => { window.open(window.location.protocol + import.meta.env.VITE_BOE_ONLINE_CLASS_URL + courseId, '_top') }), //在线
     2: ({ targetId }) => setTimeout(() => { window.open(`${location.protocol}//${location.host}${import.meta.env.VITE_BASE_API}/stu/project/redirectDetail?courseId=${targetId}`, '_top') }),
-    3: ({ courseId }) => setTimeout(() => { window.open(window.location.protocol + import.meta.env.VITE_BOE_CASS_DETAIL_URL + courseId) }), //案例
+    3: ({ courseId }) => setTimeout(() => { window.open(window.location.protocol + import.meta.env.VITE_BOE_CASS_DETAIL_URL + courseId, '_top') }), //案例
     4: "/homeworkpage",
     5: ({ examType }) => examType === 2 ? '/externalexam' : (window.location.protocol + import.meta.env.VITE_BOE_EXAM_DETAIL_URL), //考试
     6: "/liveboradcast",
diff --git a/src/views/projectdetails/projectDetails.vue b/src/views/projectdetails/projectDetails.vue
index 6b3e6f5..812b20a 100644
--- a/src/views/projectdetails/projectDetails.vue
+++ b/src/views/projectdetails/projectDetails.vue
@@ -822,26 +822,8 @@ function toFinish(d, sName, chapterOrStageId, studyModel) {
   // }
 }
 
-function isIOS() {
-  return [
-        'iPad Simulator',
-        'iPhone Simulator',
-        'iPod Simulator',
-        'iPad',
-        'iPhone',
-        'iPod'
-      ].includes(navigator.platform) ||
-      // iPad on iOS 13 detection
-      (navigator.userAgent.includes("Mac") && "ontouchend" in document);
-}
-
-function toOffcoursePlanPage(id) {
-  window.open(
-    `${location.protocol}//${location.host}${
-      import.meta.env.VITE_BASE_API
-    }/stu/project/redirectDetail?courseId=${id}`,
-    "_top"
-  );
+function toOffcoursePlanPage(id){
+  window.open(`${location.protocol}//${location.host}${import.meta.env.VITE_BASE_API}/stu/project/redirectDetail?courseId=${id}`, '_top')
 }
 
 function whiteTypes(type) {