diff --git a/src/views/research/login.vue b/src/views/research/login.vue
index 9981902b..96a4e056 100644
--- a/src/views/research/login.vue
+++ b/src/views/research/login.vue
@@ -39,11 +39,11 @@
           </el-form-item>
           <el-form-item v-if="form.TrialSiteId && isHaveSiteSurveyRecord" label="" style="text-align:right;">
             <!-- 更新调研表 -->
-            <el-link v-if="!form.IsUpdate" type="primary" @click="form.IsUpdate = true">
+            <el-link v-if="!form.IsUpdate && isNeedUpload" type="primary" @click="form.IsUpdate = true">
               {{ $t('trials:researchForm:button:updateQsForm') }}
             </el-link>
             <!-- 取消更新调研表  form.ReplaceUserEmailOrPhone = '' -->
-            <el-link v-else type="primary" @click="form.IsUpdate = false;">
+            <el-link v-if="form.IsUpdate && isNeedUpload" type="primary" @click="form.IsUpdate = false;">
               {{ $t('trials:researchForm:button:cancelUpdateQsForm') }}
             </el-link>
           </el-form-item>
@@ -190,7 +190,8 @@ export default {
       msg: '',
       lang: 'zh',
       isHaveSiteSurveyRecord: false,
-      isUpload: false
+      isUpload: false,
+      isNeedUpload: true
     }
   },
   computed: {
@@ -219,6 +220,9 @@ export default {
       } else {
         this.form.EmailOrPhone = oldEMail
       }
+      if ((email && email !== 'null') || (oldEMail && oldEMail !== 'null')) {
+        this.isNeedUpload = false
+      }
     }
   },
   methods: {