diff --git a/packages/omi-mp/src/utils/helper.js b/packages/omi-mp/src/utils/helper.js
index a64933d81..859ab0469 100644
--- a/packages/omi-mp/src/utils/helper.js
+++ b/packages/omi-mp/src/utils/helper.js
@@ -28,4 +28,23 @@ export function fixProps(properties){
     }
   }
   return props
-}
\ No newline at end of file
+}
+
+// 代理input
+export function helpInputEvent(fn, e){
+  if(!e.detail){
+    Object.defineProperty(e,'detail',{
+      value: {},
+      writable: false,
+      configurable : true
+    });
+  }
+
+  Object.defineProperty(e.detail,'value',{
+    value: e.target.value,
+    writable: false,
+    configurable : true
+  });
+
+  fn && fn(e)
+}