diff --git a/src/components/confirm/metas.yml b/src/components/confirm/metas.yml
index 7bc4806d3..588298882 100755
--- a/src/components/confirm/metas.yml
+++ b/src/components/confirm/metas.yml
@@ -38,6 +38,8 @@ extra: |
     onCancel () {}
     onConfirm () {}
   })
+  // 设置输入值
+  this.$vux.confirm.setInputValue('value') // 注意需要在 onShow 事件中执行
   ```
 props:
   show:
@@ -123,6 +125,11 @@ methods:
     en: set input value when show-input is true
     zh-CN: 设置输入值，当 show-input 为 true 时有效
 changes:
+  next:
+    en:
+      - '[feature] Support method:setInputValue for plugin #1846'
+    zh-CN:
+      - '[feature] 插件支持 setInputValue 方法 #1846'
   v2.5.7:
     en:
       - '[feature] Support prop:input-attrs #1799'
diff --git a/src/demos/Confirm.vue b/src/demos/Confirm.vue
index f63cd86df..17321f11c 100755
--- a/src/demos/Confirm.vue
+++ b/src/demos/Confirm.vue
@@ -184,10 +184,12 @@ export default {
       this.showPlugin()
     },
     showPlugin3 () {
+      const _this = this
       this.$vux.confirm.prompt('123', {
         title: 'Title',
         onShow () {
           console.log('promt show')
+          _this.$vux.confirm.setInputValue('set input value')
         },
         onHide () {
           console.log('prompt hide')
diff --git a/src/plugins/confirm/index.js b/src/plugins/confirm/index.js
index 0989552cf..d97e5883d 100644
--- a/src/plugins/confirm/index.js
+++ b/src/plugins/confirm/index.js
@@ -43,6 +43,13 @@ const plugin = {
         })
         $vm.showValue = true
       },
+      setInputValue (val) {
+        vue.nextTick(() => {
+          setTimeout(() => {
+            $vm.setInputValue(val)
+          }, 10)
+        })
+      },
       prompt (placeholder, options) {
         this.show(Object.assign({}, options, {
           placeholder,