diff --git a/src/App.vue b/src/App.vue
index a8e315e..969d42a 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -2,6 +2,7 @@
 import { onLaunch, onShow, onHide } from '@dcloudio/uni-app'
 
 onLaunch(() => {
+  uni.showModal({ title: '提示', content: 'App Launch' })
   console.log('App Launch')
 })
 onShow(() => {
@@ -72,4 +73,42 @@ image {
 view {
   box-sizing: border-box;
 }
+
+uni-modal {
+  .uni-modal {
+    @apply max-w-345 rounded-16;
+  }
+
+  .uni-modal__hd {
+    @apply p-0;
+  }
+
+  .uni-modal__title {
+    @apply p-16 text-left text-16 font-600;
+  }
+
+  .uni-modal__bd {
+    @apply mb-16 px-16 pt-0 text-left text-14 font-medium text-#666;
+  }
+
+  .uni-modal__btn {
+    @apply px-16 py-8 flex-none rounded-full shadow-none text-14;
+
+    &::after {
+      content: none;
+    }
+
+    &.uni-modal__btn_primary {
+      @apply ml-8 bg-gray-200 !text-black;
+    }
+  }
+
+  .uni-modal__ft {
+    @apply justify-end p-16 leading-normal;
+
+    &::after {
+      content: none;
+    }
+  }
+}
 </style>
diff --git a/src/utils/index.ts b/src/utils/index.ts
index be21dd6..57f0042 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -1,7 +1,7 @@
 import { pages, subPackages, tabBar } from '@/pages.json'
 import { isMp } from './platform'
 
-const getLastPage = () => {
+export const getLastPage = () => {
   // getCurrentPages() 至少有1个元素，所以不再额外判断
   // const lastPage = getCurrentPages().at(-1)
   // 上面那个在低版本安卓中打包回报错，所以改用下面这个【虽然我加了src/interceptions/prototype.ts，但依然报错】
@@ -176,3 +176,30 @@ export const getEnvBaseUploadUrl = () => {
 
   return baseUploadUrl
 }
+
+export function mergeStep(wrapped: (...rest: any[]) => Promise<any>) {
+  let _mergeStepRequestInstance: any = null
+  return async function (...args) {
+    if (this?._mergeStepRequestInstance ?? _mergeStepRequestInstance)
+      return this?._mergeStepRequestInstance ?? _mergeStepRequestInstance
+    if (this) {
+      this._mergeStepRequestInstance = wrapped.apply(this, args)
+    } else {
+      _mergeStepRequestInstance = wrapped(...args)
+    }
+    if (
+      Object.prototype.toString.call(
+        this?._mergeStepRequestInstance ?? _mergeStepRequestInstance,
+      ) === '[object Promise]'
+    ) {
+      ;(this?._mergeStepRequestInstance ?? _mergeStepRequestInstance).finally(() => {
+        if (this?._mergeStepRequestInstance) {
+          this._mergeStepRequestInstance = null
+        } else {
+          _mergeStepRequestInstance = null
+        }
+      })
+    }
+    return _mergeStepRequestInstance
+  }
+}
diff --git a/tsconfig.json b/tsconfig.json
index c0755ed..2b7263f 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,7 +5,7 @@
     "module": "ESNext",
     "moduleResolution": "Node",
     "resolveJsonModule": true,
-    "noImplicitThis": true,
+    "noImplicitThis": false,
     "allowSyntheticDefaultImports": true,
     "allowJs": true,
     "sourceMap": true,