diff --git a/jero-web/src/common/lang/en-us.js b/jero-web/src/common/lang/en-us.js
index 6307e5a29..4f0c90365 100644
--- a/jero-web/src/common/lang/en-us.js
+++ b/jero-web/src/common/lang/en-us.js
@@ -1739,4 +1739,5 @@ module.exports = {
   verifyConformanceConfirmation:'Verify conformance confirmation',
   designConformanceVerification:'Design conformance verification',
   nomorethan:'No more than 10',
+  uploadedfilelarger:'The uploaded file is larger than 50 MB',
 }
\ No newline at end of file
diff --git a/jero-web/src/common/lang/zh-cn.js b/jero-web/src/common/lang/zh-cn.js
index 52bc1eeed..aaa978cf2 100644
--- a/jero-web/src/common/lang/zh-cn.js
+++ b/jero-web/src/common/lang/zh-cn.js
@@ -1841,4 +1841,5 @@ module.exports = {
   verifyConformanceConfirmation:'验证符合性确认',
   designConformanceVerification:'设计符合性确认',
   nomorethan:'不能超过10个',
+  uploadedfilelarger:'文件大于50M',
 }
\ No newline at end of file
diff --git a/jero-web/src/components/uploadFile/file.vue b/jero-web/src/components/uploadFile/file.vue
index 457ab1346..747211830 100644
--- a/jero-web/src/components/uploadFile/file.vue
+++ b/jero-web/src/components/uploadFile/file.vue
@@ -34,7 +34,7 @@
 
   export default {
     name: 'file',
-    props: ['disableds', 'disabled', 'thisFileUploadUrl','acceptcode', 'readonly', 'thisFileType', 'isUploadFile', 'isMultiple', 'restrictUploads', 'Uploadable'],
+    props: ['disableds', 'disabled', 'thisFileUploadUrl','size' ,'acceptcode', 'readonly', 'thisFileType', 'isUploadFile', 'isMultiple', 'restrictUploads', 'Uploadable'],
     data() {
       return {
         visible: false,
@@ -98,6 +98,15 @@
             return false
           }
         }
+        // 根据大小拦截
+        if(this.size){
+          const isLt2KB = file.size / 1024 /1024 < this.size
+          let name = file.name
+          if (!isLt2KB) {
+            this.$message.error(name + this.$t('uploadedfilelarger'))
+            return false
+          }
+        }
         if (this.isMultiple) {
           if ((this.myfileList && this.myfileList.length == 1) || this.myfileList && this.myfileList.length > 1) {
             this.$message.warning(this.$t('onlyOnefileUploaded'))
diff --git a/jero-web/src/views/otamanagement/upgradeactivityrecord/components/auxiliaryupgradehavechanged.vue b/jero-web/src/views/otamanagement/upgradeactivityrecord/components/auxiliaryupgradehavechanged.vue
index 68c4443a4..a3b7a1546 100644
--- a/jero-web/src/views/otamanagement/upgradeactivityrecord/components/auxiliaryupgradehavechanged.vue
+++ b/jero-web/src/views/otamanagement/upgradeactivityrecord/components/auxiliaryupgradehavechanged.vue
@@ -68,7 +68,7 @@
       <a-button type="primary" style='width: 73px;margin-right: 50px' @click='last'>{{$t('last')}}</a-button>
       <a-button type="primary" style='width: 73px' @click='next'>{{$t('next')}}</a-button>
     </div>
-    <uploadFile ref="uploadFile" :acceptcode="'doc,docx,pdf'" @uploadSuccess="uploadSuccess"></uploadFile>
+    <uploadFile ref="uploadFile" :acceptcode="'doc,docx,pdf'" :size="50" @uploadSuccess="uploadSuccess"></uploadFile>
   </div>
 </template>
 
diff --git a/jero-web/src/views/otamanagement/upgradeactivityrecord/components/thetargetvehicleofthisupgrade.vue b/jero-web/src/views/otamanagement/upgradeactivityrecord/components/thetargetvehicleofthisupgrade.vue
index 2215482c4..67b396f2d 100644
--- a/jero-web/src/views/otamanagement/upgradeactivityrecord/components/thetargetvehicleofthisupgrade.vue
+++ b/jero-web/src/views/otamanagement/upgradeactivityrecord/components/thetargetvehicleofthisupgrade.vue
@@ -83,7 +83,7 @@
                                 }}
                               </a-button>
                               <p>{{$t('noteone')}}</p>
-                              <uploadFile ref="uploadFile" :acceptcode="'csv'" @uploadSuccess="uploadSuccess"></uploadFile>
+                              <uploadFile ref="uploadFile" :acceptcode="'csv'" :size="20" @uploadSuccess="uploadSuccess"></uploadFile>
                             </a-form-model-item>
             </div>
           </a-col>
diff --git a/jero-web/src/views/otamanagement/upgradeactivityrecord/components/upgradeimpactassessment.vue b/jero-web/src/views/otamanagement/upgradeactivityrecord/components/upgradeimpactassessment.vue
index 5e791007d..e7ec6ed0c 100644
--- a/jero-web/src/views/otamanagement/upgradeactivityrecord/components/upgradeimpactassessment.vue
+++ b/jero-web/src/views/otamanagement/upgradeactivityrecord/components/upgradeimpactassessment.vue
@@ -162,7 +162,7 @@
       <a-button type="primary" style='width: 73px;margin-right: 50px' @click='last'>{{$t('last')}}</a-button>
       <a-button type="primary" style='width: 73px' @click='next'>{{$t('next')}}</a-button>
     </div>
-    <uploadFile ref="uploadFile" :acceptcode="'doc,docx,pdf'" @uploadSuccess="uploadSuccess"></uploadFile>
+    <uploadFile ref="uploadFile" :acceptcode="'doc,docx,pdf'" :size="50" @uploadSuccess="uploadSuccess"></uploadFile>
   </div>
 </template>
 
diff --git a/jero-web/src/views/otamanagement/upgradeactivityrecord/components/usernotification.vue b/jero-web/src/views/otamanagement/upgradeactivityrecord/components/usernotification.vue
index 10413d2a0..79f27f620 100644
--- a/jero-web/src/views/otamanagement/upgradeactivityrecord/components/usernotification.vue
+++ b/jero-web/src/views/otamanagement/upgradeactivityrecord/components/usernotification.vue
@@ -182,7 +182,7 @@
       <a-button type="primary" style='width: 73px;margin-right: 50px' @click='last'>{{$t('last')}}</a-button>
       <a-button type="primary" style='width: 73px' @click='next'>{{$t('next')}}</a-button>
     </div>
-    <uploadFile ref="uploadFile" :acceptcode="'doc,docx,pdf'" @uploadSuccess="uploadSuccess"></uploadFile>
+    <uploadFile ref="uploadFile" :acceptcode="'doc,docx,pdf'" :size="50" @uploadSuccess="uploadSuccess"></uploadFile>
   </div>
 </template>
 
diff --git a/jero-web/src/views/otamanagement/vehicleinformation/components/beupgradedonline.vue b/jero-web/src/views/otamanagement/vehicleinformation/components/beupgradedonline.vue
index df3be5491..57d84655e 100644
--- a/jero-web/src/views/otamanagement/vehicleinformation/components/beupgradedonline.vue
+++ b/jero-web/src/views/otamanagement/vehicleinformation/components/beupgradedonline.vue
@@ -103,7 +103,7 @@
       <a-button type="primary" style='width: 73px;margin-right: 50px' @click='last'>{{$t('last')}}</a-button>
       <a-button type="primary" style='width: 73px' @click='next'>{{$t('next')}}</a-button>
     </div>
-    <uploadFile ref="uploadFile" @uploadSuccess="uploadSuccess"></uploadFile>
+    <uploadFile ref="uploadFile" :acceptcode="'doc,docx,pdf'" :size="50" @uploadSuccess="uploadSuccess"></uploadFile>
   </div>
 </template>
 
diff --git a/jero-web/src/views/otamanagement/vehicleinformation/components/safetyPrecautions.vue b/jero-web/src/views/otamanagement/vehicleinformation/components/safetyPrecautions.vue
index 1c3e59dde..54953b5d8 100644
--- a/jero-web/src/views/otamanagement/vehicleinformation/components/safetyPrecautions.vue
+++ b/jero-web/src/views/otamanagement/vehicleinformation/components/safetyPrecautions.vue
@@ -47,7 +47,7 @@
       <a-button type="primary" style='width: 73px;margin-right: 50px' @click='last'>{{$t('last')}}</a-button>
       <a-button type="primary" style='width: 73px' @click='next'>{{$t('next')}}</a-button>
     </div>
-    <uploadFile ref="uploadFile" :acceptcode="'doc,docx,pdf'" @uploadSuccess="uploadSuccess"></uploadFile>
+    <uploadFile ref="uploadFile" :acceptcode="'doc,docx,pdf'" :size="50" @uploadSuccess="uploadSuccess"></uploadFile>
   </div>
 </template>
 
diff --git a/jero-web/src/views/otamanagement/vehicleinformation/components/upgradeRequirements.vue b/jero-web/src/views/otamanagement/vehicleinformation/components/upgradeRequirements.vue
index 779877220..70cdeba6a 100644
--- a/jero-web/src/views/otamanagement/vehicleinformation/components/upgradeRequirements.vue
+++ b/jero-web/src/views/otamanagement/vehicleinformation/components/upgradeRequirements.vue
@@ -34,7 +34,7 @@
       <a-button type="primary" style='width: 73px;margin-right: 50px' @click="last">{{ $t('last') }}</a-button>
       <a-button type="primary" style='width: 73px' @click='next'>{{ $t('next') }}</a-button>
     </div>
-    <uploadFile ref="uploadFile" :acceptcode="'doc,docx,pdf'" @uploadSuccess="uploadSuccess"></uploadFile>
+    <uploadFile ref="uploadFile" :acceptcode="'doc,docx,pdf'" :size="50" @uploadSuccess="uploadSuccess"></uploadFile>
   </div>
 </template>
 
diff --git a/jero-web/src/views/otamanagement/vehicleinformation/components/upgradedonline.vue b/jero-web/src/views/otamanagement/vehicleinformation/components/upgradedonline.vue
index b364d98c4..53849ae28 100644
--- a/jero-web/src/views/otamanagement/vehicleinformation/components/upgradedonline.vue
+++ b/jero-web/src/views/otamanagement/vehicleinformation/components/upgradedonline.vue
@@ -99,7 +99,7 @@
       <a-button type="primary" style='width: 73px' @click='next'>{{$t('next')}}</a-button>
     </div>
     <uploadFile ref="uploadFile" @uploadSuccess="uploadSuccess"></uploadFile>
-    <uploadFileOta ref="uploadFileOta" :acceptcode="'doc,docx,pdf'" @uploadSuccess="uploadSuccessOta"></uploadFileOta>
+    <uploadFileOta ref="uploadFileOta" :acceptcode="'doc,docx,pdf'" :size="50" @uploadSuccess="uploadSuccessOta"></uploadFileOta>
   </div>
 </template>