Merge branch 'master' of http://gitlab.yiboshi.com/XuJun/yn-science-front

src/views/components/common/cascaderSelect.vue

@@ -68,8 +68,9 @@ export default {
       if (!!this.selected && this.selected.length > 0) {
         var len = this.selected.length - 1
         this.$emit("input", this.selected[len])
-        this.$emit("change");
-      }
+      } else
+        this.$emit("input", '')
+      this.$emit("change");
     },
     displayRender ({ labels }) {
       return labels[labels.length - 1];