diff --git a/src/api/trials/reading.js b/src/api/trials/reading.js
index cebb8312..2d65d3c4 100644
--- a/src/api/trials/reading.js
+++ b/src/api/trials/reading.js
@@ -346,9 +346,9 @@ export function getReReadingOrBackInfluenceTaskList(taskId, isReReading, applyId
   })
 }
 
-export function PMSetTaskBack(trialId, taskId) {
+export function PMSetTaskBack(trialId, taskId, pmBackReason) {
   return request({
-    url: `/VisitTask/PMSetTaskBack/${trialId}/${taskId}`,
+    url: `/VisitTask/PMSetTaskBack/${trialId}/${taskId}/${pmBackReason}`,
     method: 'put'
   })
 }
diff --git a/src/views/trials/trials-panel/reading/reading-tracking/index.vue b/src/views/trials/trials-panel/reading/reading-tracking/index.vue
index a9c15716..0cf69be5 100644
--- a/src/views/trials/trials-panel/reading/reading-tracking/index.vue
+++ b/src/views/trials/trials-panel/reading/reading-tracking/index.vue
@@ -601,10 +601,29 @@
       </el-dialog>
       <!-- 退回影响任务列表/已影响任务列表 -->
       <el-dialog v-if="ReReadingOrBackVisible" :title="opentype === 'read'
-        ? $t('trials:reviewTrack:dialog:backImpactList')
+        ? $t('trials:reviewTrack:action:back')
         : $t('trials:reviewTrack:dialog:impactList')
         " :visible.sync="ReReadingOrBackVisible" width="1460px" append-to-body :close-on-click-modal="false"
         custom-class="base-dialog-wrapper">
+        <el-form ref="backReasonForm" :rules="rules" :model="backforReasonForm" class="demo-ruleForm" size="small"
+          label-width="180px">
+          <!-- 申请原因 -->
+          <el-divider content-position="left">
+            {{ $t('trials:reviewTrack:applyReread:title:backReason') }}
+          </el-divider>
+          <!-- 申请原因 -->
+          <el-form-item :label="$t('trials:reviewTrack:applyReread:title:backReason')" prop="pmBackReason" :rules="[
+            { required: true, message: $t('common:ruleMessage:specify') },
+          ]">
+            <el-input v-model="backforReasonForm.pmBackReason" style="width: 400px" type="textarea"
+              :autosize="{ minRows: 2, maxRows: 4 }" :placeholder="$t('common:ruleMessage:specify')" maxlength="500"
+              show-word-limit />
+          </el-form-item>
+        </el-form>
+        <!-- 影响的任务列表 -->
+        <el-divider content-position="left">{{
+          $t('trials:reviewTrack:dialog:backImpactList')
+        }}</el-divider>
         <div class="base-dialog-body">
           <el-table v-loading="loading" :data="InfluenceTaskList" stripe height="100" style="min-height: 400px">
             <!-- 任务编号 -->
@@ -733,7 +752,8 @@
         </div>
         <div slot="footer" class="dialog-footer" v-if="opentype === 'read'">
           <!-- 取消 -->
-          <el-button :disabled="btnLoading" size="small" type="primary" @click="ReReadingOrBackVisible = false">
+          <el-button :disabled="btnLoading" size="small" type="primary"
+            @click="ReReadingOrBackVisible = false, backforReasonForm = { pmBackReason: null }">
             {{ $t('common:button:cancel') }}
           </el-button>
           <!-- 确定 -->
@@ -928,6 +948,9 @@ export default {
         Type: null,
         RequestReReadingReason: null,
       },
+      backforReasonForm: {
+        pmBackReason: null
+      },
       rules: {
         Type: [
           {
@@ -943,6 +966,13 @@ export default {
             trigger: 'blur',
           },
         ],
+        pmBackReason: [
+          {
+            required: true,
+            message: this.$t('common:ruleMessage:specify'),
+            trigger: 'blur',
+          },
+        ],
       },
       RefereeAllocationVisible: false,
       trialId: this.$route.query.trialId,
@@ -1075,10 +1105,16 @@ export default {
         this.loading = false
       })
     },
-    PMSetTaskBack() {
-      this.loading = true
-      PMSetTaskBack(this.trialId, this.rowData.Id)
-        .then((res) => {
+    async PMSetTaskBack() {
+      try {
+        let validate = await this.$refs.backReasonForm.validate()
+        console.log(validate, 'validate')
+        if (!validate) return false
+        // let data = Object.assign({}, this.backReasonForm)
+        this.loading = true
+        let res = await PMSetTaskBack(this.trialId, this.rowData.Id, this.backforReasonForm.pmBackReason)
+        this.loading = false
+        if (res.IsSuccess) {
           this.loading = false
           this.ReReadingOrBackVisible = false
           this.getList()
@@ -1086,10 +1122,25 @@ export default {
           this.$message.success(
             this.$t('trials:reviewTrack:message:returnedSuccessfully')
           )
-        })
-        .catch(() => {
-          this.loading = false
-        })
+        }
+      } catch (err) {
+        this.loading = false
+        console.log(err)
+      }
+      // this.loading = true
+      // PMSetTaskBack(this.trialId, this.rowData.Id)
+      //   .then((res) => {
+      //     this.loading = false
+      //     this.ReReadingOrBackVisible = false
+      //     this.getList()
+      //     // '退回成功'
+      //     this.$message.success(
+      //       this.$t('trials:reviewTrack:message:returnedSuccessfully')
+      //     )
+      //   })
+      //   .catch(() => {
+      //     this.loading = false
+      //   })
     },
     openReReadingOrBackList(row) {
       this.loading = true
@@ -1099,6 +1150,9 @@ export default {
         .then((res) => {
           this.InfluenceTaskList = res.Result
           this.ReReadingOtherInfo = res.OtherInfo
+          this.backforReasonForm = {
+            pmBackReason: null
+          }
           this.ReReadingOrBackVisible = true
           this.loading = false
         })