J picker fixed a bug

components/J-Picker/jPicker.vue

@@ -93,6 +93,7 @@
 			},
 			cancelSel() {
 				this.pickerVisable = false;
+				/*
 				if (this.val) {
 					if (this.valKey) {
 						let n = this.listData;
@@ -108,6 +109,7 @@
 				} else {
 					this.nSel = -1;
 				}
+				*/
 			},
 			sureSelect() {
 				this.pickerVisable = false;