diff --git a/src/views/contract/exchange-store.vue b/src/views/contract/exchange-store.vue
index 0304152..5edb42c 100644
--- a/src/views/contract/exchange-store.vue
+++ b/src/views/contract/exchange-store.vue
@@ -514,7 +514,7 @@ export default {
         // console.info(this.margin)
         if (!this.form.lever_rate || !this.marginBuy) return 0;
         let p=this.marginBuy*this.form.lever_rate;
-
+		p = p.toFixed(0)
         this.buyform.amount=p;
         return p
     },
@@ -523,7 +523,7 @@ export default {
         // console.info(this.margin)
         if (!this.form.lever_rate || !this.marginSell) return 0;
         let p=this.marginSell*this.form.lever_rate;
-
+		p = p.toFixed(0)
         this.sellform.amount=p;
         return p
     }