diff --git a/components/tpx-input/tpx-input.vue b/components/tpx-input/tpx-input.vue
index 8f49020..0e4c324 100644
--- a/components/tpx-input/tpx-input.vue
+++ b/components/tpx-input/tpx-input.vue
@@ -125,13 +125,21 @@
 			},
 			formatter(val) {
 				let newVal = val
-				if(this._digit) {
-					let reg = new RegExp(`^\\d*(\\.?\\d{0,${this._digit}})`, 'g')
-					newVal = val.match(reg)[0]
-				}
-				if(typeof this._maxNum != 'undefined') {
-					if(val > this._maxNum) {
-						newVal = this._maxNum
+				if((this.type == 'number' || this._digit || this._maxNum) && (typeof val == 'string' && val)) {
+					newVal = Number(val) // 需要格式化输入框的格式
+					// 判断是否输入了数字
+					if(!isNaN(newVal)) {
+						if(this._digit) {
+							let reg = new RegExp(`^\\d*(\\.?\\d{0,${this._digit}})`, 'g')
+							newVal = val.match(reg)[0]
+						}
+						if(typeof this._maxNum != 'undefined') {
+							if(newVal > Number(this._maxNum)) {
+								newVal = this._maxNum
+							}
+						}
+					} else {
+						newVal = ''
 					}
 				}
 				return newVal