fix:我的考试-列表分页默认20条数据

src/modules/exam/views/Detail.vue

@@ -143,7 +143,8 @@ export default {
           { label: '考中异常', prop: 'exam_error' },
           { label: '成绩', prop: 'sheet.score' },
           { label: '操作', slots: 'table-x', align: 'right', width: 150 }
-        ]
+        ],
+        limit: 20
       }
     },
     exam_id() {

src/modules/exam/views/List.vue

@@ -87,7 +87,8 @@ export default {
             prop: 'status_text'
           },
           { label: '操作', slots: 'table-x', align: 'right', width: 150 }
-        ]
+        ],
+        limit: 20
       }
     }
   },