diff --git a/src/views/contract/exchange-store.vue b/src/views/contract/exchange-store.vue
index deed16d..915460f 100644
--- a/src/views/contract/exchange-store.vue
+++ b/src/views/contract/exchange-store.vue
@@ -108,6 +108,7 @@
             @input="sliderChange"
             :format-tooltip="tooltip"
             :marks="marks"
+            :step="25"
         ></el-slider>
         <!-- :step="25" -->
       </div>