diff --git a/pages/exchange/open-position.vue b/pages/exchange/open-position.vue
index 6e719d0..dded705 100644
--- a/pages/exchange/open-position.vue
+++ b/pages/exchange/open-position.vue
@@ -134,7 +134,7 @@
                             <v-input
                                 v-model="margin"
                                 :placeholder="$t('contract.d2')"
-                                @input="sliderActive=-1"
+                                @input="inputEnter"
                                 class="h-30 p-x-sm p-y-xxs rounded bg-form-panel-3"
                             >
                                 <template #right>
@@ -927,7 +927,7 @@ export default {
     watch: {
         maxNum(n) {
             this.form.amount = Math.round((this.maxNum * this.sliderActive1) / 100);
-            this.margin = (this.form.amount / this.form.lever_rate).toFixed(5)
+            this.margin = (this.form.amount / this.form.lever_rate).toFixed(2)
         },
         symbol() {
             this.$emit("symbols", this.symbol)
@@ -1005,6 +1005,14 @@ 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;
@@ -1426,7 +1434,7 @@ 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).toFixed(5)
+            this.margin = (this.form.amount / this.form.lever_rate).toFixed(2)
         },
         pingChange(n, i) {
             // console.log(n)