diff --git a/src/components/J-Picker/jPicker.vue b/src/components/J-Picker/jPicker.vue
index 947f94e..147e157 100644
--- a/src/components/J-Picker/jPicker.vue
+++ b/src/components/J-Picker/jPicker.vue
@@ -79,6 +79,18 @@ export default {
         this.selByValKey();
       },
     },
+    // 原始bug
+    // uniapp 无法监听prop对象,使用computed替代方案解决组件缓存问题
+    reset(v) {
+      if (v === '' || v === undefined || v === null) {
+        this.nSel = -1;
+      }
+    },
+  },
+  computed: {
+    reset() {
+      return this.val;
+    },
   },
   mounted() {
     this.selByValKey();