diff --git a/app/controller/Task.php b/app/controller/Task.php
index 2e914c3..cc52b93 100644
--- a/app/controller/Task.php
+++ b/app/controller/Task.php
@@ -182,6 +182,9 @@ class Task extends BaseController
                     $where[] = ['is_export_bhx', '>', 0];
                     $where[] = ['is_update_bhx', '>', 0];
                     $where[] = ['is_export_bmc', '=', 0];
+                    if($params['update_no'] > 0){
+                        $where[] = ['is_update_bhx', '=', $params['update_no']];
+                    }
                 }
                 if ($params['export_type'] == 'failed') {
                     $where[] = ['is_export_bhx', '>', 0];
@@ -508,6 +511,9 @@ class Task extends BaseController
                 $where[] = ['is_export_bhx', '>', 0];
                 $where[] = ['is_update_bhx', '>', 0];
                 $where[] = ['is_export_bmc', '=', 0];
+                if($params['update_no'] > 0){
+                    $where[] = ['is_update_bhx', '=', $params['update_no']];
+                }
             }
             if ($params['export_type'] == 'failed') {
                 $where[] = ['is_export_bhx', '>', 0];
diff --git a/app/view/task/index.html b/app/view/task/index.html
index 88706ac..227cb0a 100644
--- a/app/view/task/index.html
+++ b/app/view/task/index.html
@@ -66,6 +66,12 @@
                             --> 
                        </div>
                     </div>
+                    <div class="layui-inline" id="update_no">
+                        <label class="layui-form-label" style="width: 60px;">更新序号</label>
+                        <div class="layui-input-inline" style="width: 210px;">
+                            <input type="text" name="update_no" value="">
+                        </div>
+                    </div>
                     <div class="layui-inline" id="sub_export_type">
                         <label class="layui-form-label" style="width: 60px;">导出字段</label>
                         <div class="layui-input-inline" style="width: 210px;">
@@ -273,6 +279,14 @@
             $('#sub_export_type').show();
             $('#sub_export_type').find(':input').removeAttr('disabled');
         }
+
+        if(data.value == 'bmc'){
+            $('#update_no').show();
+            $('#update_no').find(':input').removeAttr('disabled');
+        } else {
+            $('#update_no').hide();
+            $('#update_no').find(':input').attr('disabled',true);
+        }
     });
 
     var tableIns = layui.table.render({
diff --git a/extend/service/CarInfoHandle.php b/extend/service/CarInfoHandle.php
index 69da2aa..1dc8889 100644
--- a/extend/service/CarInfoHandle.php
+++ b/extend/service/CarInfoHandle.php
@@ -99,6 +99,9 @@ class CarInfoHandle
                 $where[] = ['is_export_bhx', '>', 0];
                 $where[] = ['is_update_bhx', '>', 0];
                 $where[] = ['is_export_bmc', '=', 0];
+                if($data['update_no'] > 0){
+                    $where[] = ['is_update_bhx', '=', $data['update_no']];
+                }
             }
             if ($data['export_type'] == 'failed') {
                 $where[] = ['is_export_bhx', '>', 0];