update native-button.uvue

uni_modules/native-button/components/native-button/native-button.uvue

@@ -28,9 +28,10 @@
 		methods: {
 			//native-view初始化时触发此方法
 			onviewinit(e : UniNativeViewInitEvent) {
-				//获取UniNativeViewElement 传递给NativeButton插件
+				//获取UniNativeViewElement 传递给NativeButton对象
 				this.button = new NativeButton(e.detail.element);
 				this.button?.updateText(this.value)
+        this.$emit("load")
 			},
 			ontap(e: UniNativeViewEvent) {
 				this.$emit("buttonTap", e)