diff --git a/controllers/task.go b/controllers/task.go
index b82ea92..a6072f5 100644
--- a/controllers/task.go
+++ b/controllers/task.go
@@ -11,6 +11,7 @@ type TaskResponse struct {
 	Learning     bool                `json:"learning"`
 	Editable     bool                `json:"editable"`
 	TeacherScore bool                `json:"teacherScore"`
+	ShowCount    bool                `json:"showCount"`
 }
 
 // GetSectionTasksDetail
@@ -36,9 +37,13 @@ func (p *ProjectController) GetSectionTasksDetail() {
 		p.ServeJSON()
 		return
 	}
+	showCount := false
 	if user.Tag != "student" {
 		learning = false
 	}
+	if user.Tag == "teacher" {
+		showCount = true
+	}
 	uid := user.Username
 	pid := p.GetString(":projectId")
 	learning = models.IsLearningProject(pid, uid)
@@ -60,6 +65,7 @@ func (p *ProjectController) GetSectionTasksDetail() {
 			Tasks:    tasks,
 			Learning: learning,
 			Editable: learning,
+			ShowCount: showCount,
 		}
 	}
 	p.ServeJSON()
@@ -75,11 +81,9 @@ func (p *ProjectController) GetSectionTasksDetail() {
 func (p *ProjectController) GetProjectTasks() {
 	user := p.GetSessionUser()
 	if user == nil {
-		p.Data["json"] = TaskResponse{
-			Response: Response{
-				Code: 401,
-				Msg:  "请先登录",
-			},
+		p.Data["json"] = Response{
+			Code: 401,
+			Msg:  "请先登录",
 		}
 		p.ServeJSON()
 		return
diff --git a/openpbl-landing/src/pages/Project/Evidence/component/StudentEvidence.jsx b/openpbl-landing/src/pages/Project/Evidence/component/StudentEvidence.jsx
index aa29da4..f9f234a 100644
--- a/openpbl-landing/src/pages/Project/Evidence/component/StudentEvidence.jsx
+++ b/openpbl-landing/src/pages/Project/Evidence/component/StudentEvidence.jsx
@@ -14,6 +14,7 @@ function StudentEvidence(obj) {
   const [learning, setLearning] = useState(false)
   const [editable, setEditable] = useState(false)
   const [teacherScore, setTeacherScore] = useState(false)
+  const [showCount, setShowCount] = useState(false)
   const [chapters, setChapters] = useState([])
   const [showMinute, setShowMinute] = useState(false)
 
@@ -69,6 +70,7 @@ function StudentEvidence(obj) {
             setLearning(res.data.learning)
             setEditable(res.data.editable)
             setTeacherScore(res.data.teacherScore)
+            setShowCount(res.data.showCount)
           }
         }
       })
@@ -205,6 +207,7 @@ function StudentEvidence(obj) {
               index={index}
               learning={learning}
               editable={editable}
+              showCount={showCount}
               setTaskItem={setTaskItem}
               getTasks={getTasks}
             />
diff --git a/openpbl-landing/src/pages/Project/PreviewProject/PreviewSection.jsx b/openpbl-landing/src/pages/Project/PreviewProject/PreviewSection.jsx
index f698bad..4fc5758 100644
--- a/openpbl-landing/src/pages/Project/PreviewProject/PreviewSection.jsx
+++ b/openpbl-landing/src/pages/Project/PreviewProject/PreviewSection.jsx
@@ -1,7 +1,6 @@
 import React, {useEffect, useState} from "react";
 import {Card, PageHeader, Input, Upload, message, Button, BackTop} from "antd";
 import DocumentTitle from 'react-document-title';
-import {InboxOutlined} from '@ant-design/icons'
 
 import SectionApi from "../../../api/SectionApi";
 import "../CreateProject/Section/component/section-edit.less"
@@ -21,6 +20,7 @@ function PreviewSection(obj) {
   const [tasks, setTasks] = useState([])
   const [learning, setLearning] = useState(false)
   const [editable, setEditable] = useState(false)
+  const [showCount, setShowCount] = useState(false)
 
   const [minute, setMinute] = useState(0)
   const [second, setSecond] = useState(0)
@@ -33,8 +33,10 @@ function PreviewSection(obj) {
     getTasks()
   }, [])
   useEffect(()=>{
-    window.onbeforeunload = leave
-  }, [])
+    if (learning) {
+      window.onbeforeunload = leave
+    }
+  }, [learning])
   const leave = () => {
     if (timer != null) {
       clearTimeout(timer)
@@ -91,6 +93,7 @@ function PreviewSection(obj) {
         }
         setLearning(res.data.learning)
         setEditable(res.data.editable)
+        setShowCount(res.data.showCount)
 
         if (res.data.learning) {
           getTimer()
@@ -182,7 +185,7 @@ function PreviewSection(obj) {
               index={index}
               learning={learning}
               editable={editable}
-
+              showCount={showCount}
               setTaskItem={setTaskItem}
               getTasks={getTasks}
             />
diff --git a/openpbl-landing/src/pages/Project/PreviewProject/component/FillSurvey.jsx b/openpbl-landing/src/pages/Project/PreviewProject/component/FillSurvey.jsx
index b75b1a3..3edff6f 100644
--- a/openpbl-landing/src/pages/Project/PreviewProject/component/FillSurvey.jsx
+++ b/openpbl-landing/src/pages/Project/PreviewProject/component/FillSurvey.jsx
@@ -168,35 +168,34 @@ function FillSurvey(obj) {
       </div>
       <div style={{textAlign: 'right', marginTop: '10px'}}>
         {obj.item.submitted ?
-          <>
-            <Button disabled={!obj.editable} type="primary" onClick={updateSurvey} loading={submitLoading}>
-              更新
-            </Button>
-            <div style={{textAlign: 'left', marginTop: '20px'}}>
-              <Collapse onChange={showCount}>
-                <Collapse.Panel key={1} header="查看统计结果">
-                  {obj.item.questions.map((subItem, subIndex)=>(
-                    <div key={subIndex.toString()}>
-                      {subItem.questionType==='singleChoice' || subItem.questionType==='multipleChoice'
-                        || subItem.questionType==='scale5' || subItem.questionType==='scale7' ?
-                        <div style={{textAlign: "left", marginTop: '10px'}}>
-                          <p>{subItem.questionTitle}</p>
-                          <ReactEcharts option={getOption(subIndex)}/>
-                          <Divider />
-                        </div>
-                        :
-                        null
-                      }
-                    </div>
-                  ))}
-                </Collapse.Panel>
-              </Collapse>
-            </div>
-          </>
+          <Button disabled={!obj.editable} type="primary" onClick={updateSurvey} loading={submitLoading}>更新</Button>
           :
           <Button disabled={!obj.editable} type="primary" onClick={submitSurvey} loading={submitLoading}>提交</Button>
         }
       </div>
+      {obj.showCount || obj.item.submitted ?
+        <div style={{textAlign: 'left', marginTop: '20px'}}>
+          <Collapse onChange={showCount}>
+            <Collapse.Panel key={1} header="查看统计结果">
+              {obj.item.questions.map((subItem, subIndex)=>(
+                <div key={subIndex.toString()}>
+                  {subItem.questionType==='singleChoice' || subItem.questionType==='multipleChoice'
+                  || subItem.questionType==='scale5' || subItem.questionType==='scale7' ?
+                    <div style={{textAlign: "left", marginTop: '10px'}}>
+                      <p>{subItem.questionTitle}</p>
+                      <ReactEcharts option={getOption(subIndex)}/>
+                      <Divider />
+                    </div>
+                    :
+                    null
+                  }
+                </div>
+              ))}
+            </Collapse.Panel>
+          </Collapse>
+        </div>
+        : null
+      }
     </div>
   )
 }
diff --git a/openpbl-landing/src/pages/Project/PreviewProject/component/TaskCard.jsx b/openpbl-landing/src/pages/Project/PreviewProject/component/TaskCard.jsx
index 4f62866..fe75db0 100644
--- a/openpbl-landing/src/pages/Project/PreviewProject/component/TaskCard.jsx
+++ b/openpbl-landing/src/pages/Project/PreviewProject/component/TaskCard.jsx
@@ -95,6 +95,7 @@ function TaskCard(obj) {
           getTasks={obj.getTasks}
           learning={obj.learning}
           editable={obj.editable}
+          showCount={obj.showCount}
           setTaskItem={obj.setTaskItem}
         />
         : null
diff --git a/routers/commentsRouter_controllers.go b/routers/commentsRouter_controllers.go
index be1e2c4..f50fed5 100644
--- a/routers/commentsRouter_controllers.go
+++ b/routers/commentsRouter_controllers.go
@@ -45,18 +45,18 @@ func init() {
 
     beego.GlobalControllerRouter["OpenPBL/controllers:ProjectController"] = append(beego.GlobalControllerRouter["OpenPBL/controllers:ProjectController"],
         beego.ControllerComments{
-            Method: "UpdateProject",
+            Method: "GetProjectDetail",
             Router: "/:id",
-            AllowHTTPMethods: []string{"post"},
+            AllowHTTPMethods: []string{"get"},
             MethodParams: param.Make(),
             Filters: nil,
             Params: nil})
 
     beego.GlobalControllerRouter["OpenPBL/controllers:ProjectController"] = append(beego.GlobalControllerRouter["OpenPBL/controllers:ProjectController"],
         beego.ControllerComments{
-            Method: "GetProjectDetail",
+            Method: "UpdateProject",
             Router: "/:id",
-            AllowHTTPMethods: []string{"get"},
+            AllowHTTPMethods: []string{"post"},
             MethodParams: param.Make(),
             Filters: nil,
             Params: nil})