diff --git a/pages/exchange/open-position.vue b/pages/exchange/open-position.vue
index 0c56fb3..8e87358 100644
--- a/pages/exchange/open-position.vue
+++ b/pages/exchange/open-position.vue
@@ -849,7 +849,7 @@ export default {
 				console.info(this.margin)
 				if (!this.form.lever_rate || !this.margin) return 0;
 				let p=this.margin*this.form.lever_rate;
-
+				p = p.toFixed(0)
 				this.form.amount=p;
 				return p
 		},