diff --git a/pages/exchange/open-position.vue b/pages/exchange/open-position.vue
index bce8c85..3faa563 100644
--- a/pages/exchange/open-position.vue
+++ b/pages/exchange/open-position.vue
@@ -125,8 +125,8 @@
 				v-model="form.amount" -->
               <v-input
                 v-model="margin"
-								:placeholder="$t('contract.d2')"
-                @input="sliderActive=-1"
+				:placeholder="$t('contract.d2')"
+                @input="inputEnter"
                 class="h-30 p-x-sm p-y-xxs rounded bg-form-panel-3"
               >
                 <template #right>
@@ -887,7 +887,7 @@ export default {
 		},
 		maxNum(n){
 			this.form.amount = Math.round((this.maxNum * this.sliderActive1) / 100);
-			this.margin=(this.form.amount/this.form.lever_rate)
+			this.margin=(this.form.amount/this.form.lever_rate).toFixed(2)
 		},
     symbol() {
       this.$emit("symbols",this.symbol)
@@ -966,6 +966,14 @@ export default {
     }
   },
   methods: {
+		inputEnter(e){
+			this.$nextTick(()=> {
+				this.margin = e
+					.replace(/[^\d.]/g, "") // 移除非数字、非小数点的字符
+					.replace(/^(\d*\.?\d{0,2}).*$/, "$1"); // 限制最多两位小数
+				this.sliderActive=-1
+			})
+		},
       onRefresh(){
           if (this.refreshing) return;
           this.refreshing = true;
@@ -1390,7 +1398,7 @@ export default {
       this.form.amount = Math.round((this.maxNum * n) / 100);
       this.sliderActive=i
 	  this.sliderActive1=n
-	  this.margin=(this.form.amount/this.form.lever_rate)
+	  this.margin=(this.form.amount/this.form.lever_rate).toFixed(2)
     },
     pingChange(n,i) {
         // console.log(n)