diff --git a/src/components/drawers/AddOnline.vue b/src/components/drawers/AddOnline.vue
index c8451a80..54085551 100644
--- a/src/components/drawers/AddOnline.vue
+++ b/src/components/drawers/AddOnline.vue
@@ -364,14 +364,20 @@ export default {
     }
 
     // 判断项目中是否添加当前在线课
-    const IsExistenceProjects = () => {
-      IsExistenceProject({
-        "courseTaskId": props.projectTaskId || 0,
+    const IsExistenceProjects = (id) => {
+      console.log('参数传递',{
+        "courseTaskId": id,
         "projectId": props.projectId,
         "stageId": props.chooseStageId || 0,
         "type": 1
+      })
+      IsExistenceProject({
+        "courseTaskId": id,
+        "projectId": Number(props.projectId),
+        "stageId": props.chooseStageId || 0,
+        "type": 1
       }).then(res=>{
-        console.log(res)
+        console.log('项目中是否包含此在线课了',res)
       }).catch(err=>{
         console.log(err)
       })
@@ -391,60 +397,124 @@ export default {
         // console.log('当前是否已经添加了',routerarr)
       }
 
-      if(props.isLevel == 2){
-        console.log('我是要便利的数据2', state.addOnlineList)
-
-      }
-
       if(props.isLevel == 3){
         console.log('我是要便利的数据3', state.addOnlineList)
 
       }
 
       if (props.isLevel == 1) {
-        state.addOnlineList.map((value) => {
-          console.log(value)
-          RouterEditTask({
-          chapterId: Number(props.isactive),
-          courseId: value.num,
-          name: value.name,
-          routerId: props.routerId,
-          routerTaskId: props.routerTaskId || 0,
-          type: 1,
+        console.log('我是要便利的数据2', state.addOnlineList)
+        let l_data = state.addOnlineList;
+        let l_data_id = []
+        l_data.map((item)=>{
+          l_data_id.push(item["courseId"])
         })
-          .then(() => {
-            message.destroy();
-            message.success(`${props.edit ? "编辑" : "新增"}关卡任务成功`);
-            ctx.emit("changeData", false);
-            closeDrawer();
-            state.addLoading = false;
-          })
-          .catch(() => {
-            message.destroy();
-            message.error(`${props.edit ? "编辑" : "新增"}关卡任务失败`);
-          });
+
+        console.log('需要查询的在线课ID',l_data_id)
+
+        IsExistence({
+          "chapterId": Number(props.isactive),
+          "courseTaskId": l_data_id,
+          "routerId": props.routerId,
+          "type": 1
+        }).then(res=>{
+          console.log('路径图中是否包含此在线课了',res)
+          if(res.data.data.length){
+            let strdata = res.data.data
+            let tipStr = ''
+            for(let i=0;i<strdata.length;i++){
+              if(i==strdata.length-1){
+                tipStr+=strdata[i].courseName
+              }else{
+                tipStr+=strdata[i].courseName + '/'
+              }
+            }
+            message.destroy()
+            message.info('在线课（'+tipStr+'）重复添加')
+            return
+          }else{
+            state.addOnlineList.map((value) => {
+              console.log(value)
+              RouterEditTask({
+              chapterId: Number(props.isactive),
+              courseId: value.num,
+              name: value.name,
+              routerId: props.routerId,
+              routerTaskId: props.routerTaskId || 0,
+              type: 1,
+            })
+              .then(() => {
+                message.destroy();
+                message.success(`${props.edit ? "编辑" : "新增"}关卡任务成功`);
+                ctx.emit("changeData", false);
+                closeDrawer();
+                state.addLoading = false;
+              })
+              .catch(() => {
+                message.destroy();
+                message.error(`${props.edit ? "编辑" : "新增"}关卡任务失败`);
+              });
+            })
+          }
+        }).catch(err=>{
+          console.log(err)
         })
+        
       } else if (props.isLevel === 2) {
-        state.addOnlineList.map((value) => {
-          apiTask
-          .addTask({
-            courseId: value.num,
-            name: value.name,
-            projectId: props.projectId,
-            projectTaskId: props.projectTaskId || 0,
-            stageId: props.chooseStageId || 0,
-            type: 1,
-          })
-          .then(() => {
-            message.destroy();
-            message.success(`${props.edit ? "编辑" : "新增"}阶段任务成功`);
-            ctx.emit("changeData", false);
-            closeDrawer();
-          })
-          .catch(() => {
-            message.destroy();
-            message.error(`${props.edit ? "编辑" : "新增"}阶段任务失败`);
-          });
+        console.log('我是要便利的数据2', state.addOnlineList)
+        let p_data = state.addOnlineList;
+        let p_data_id = []
+        p_data.map((item)=>{
+          p_data_id.push(item["courseId"])
+        })
+
+        console.log('需要查询的在线课ID',p_data_id)
+
+        IsExistenceProject({
+          "courseTaskId": p_data_id,
+          "projectId": Number(props.projectId),
+          "stageId": props.chooseStageId || 0,
+          "type": 1
+        }).then(res=>{
+          console.log('项目中是否包含此在线课了',res)
+          if(res.data.data.length){
+            let strdata = res.data.data
+            let tipStr = ''
+            for(let i=0;i<strdata.length;i++){
+              if(i==strdata.length-1){
+                tipStr+=strdata[i].courseName
+              }else{
+                tipStr+=strdata[i].courseName + '/'
+              }
+            }
+            message.destroy()
+            message.info('在线课（'+tipStr+'）重复添加')
+            return
+          }else{
+            state.addOnlineList.map((value) => {
+              apiTask
+              .addTask({
+                courseId: value.num,
+                name: value.name,
+                projectId: props.projectId,
+                projectTaskId: props.projectTaskId || 0,
+                stageId: props.chooseStageId || 0,
+                type: 1,
+              })
+              .then(() => {
+                message.destroy();
+                message.success(`${props.edit ? "编辑" : "新增"}阶段任务成功`);
+                ctx.emit("changeData", false);
+                closeDrawer();
+              })
+              .catch(() => {
+                message.destroy();
+                message.error(`${props.edit ? "编辑" : "新增"}阶段任务失败`);
+              });
+            })
+          }
+        }).catch(err=>{
+          console.log(err)
         })
       } else if (props.isLevel == 3) {
         addTempTask({