diff --git a/pages/config/config.vue b/pages/config/config.vue
index 043138c..2f65772 100755
--- a/pages/config/config.vue
+++ b/pages/config/config.vue
@@ -32,11 +32,10 @@
 
       <view class="form-item">
         <text class="label">组合名称</text>
-        <u-input 
+        <input 
           v-model="form.name" 
           placeholder="给你的组合起个名字 (如: 养老定投)"
-          :border="false"
-          :customStyle="{ backgroundColor: '#F9FAFB', borderRadius: '20rpx', height: '96rpx', padding: '0 32rpx' }"
+          class="native-input"
         />
       </view>
 
@@ -87,13 +86,12 @@
           <view class="item-grid">
             <view class="grid-col relative">
               <text class="sub-label">单元名称/代码</text>
-              <u-input 
+              <input 
                 v-model="item.name" 
                 placeholder="如 TMF" 
                 :disabled="selectedStrategy?.type === 'risk_parity'"
-                :border="false"
-                :customStyle="{ backgroundColor: '#FFFFFF', borderRadius: '16rpx', height: '72rpx', padding: '0 20rpx' }"
-                @input="(e) => searchStock(e, index)"
+                class="native-input-sm"
+                @input="(e) => searchStock(e.detail.value, index)"
                 @focus="() => { activeSearchIndex.value = -1; searchResults.value = []; }"
               />
               <!-- 搜索下拉列表 -->
@@ -114,22 +112,20 @@
             </view>
             <view class="grid-col">
               <text class="sub-label">买入均价</text>
-              <u-input 
+              <input 
                 v-model="item.price" 
                 type="number"
                 placeholder="0.00" 
-                :border="false"
-                :customStyle="{ backgroundColor: '#FFFFFF', borderRadius: '16rpx', height: '72rpx', padding: '0 20rpx' }"
+                class="native-input-sm"
               />
             </view>
             <view class="grid-col">
               <text class="sub-label">持有数量</text>
-              <u-input 
+              <input 
                 v-model="item.amount" 
                 type="number"
                 placeholder="0" 
-                :border="false"
-                :customStyle="{ backgroundColor: '#FFFFFF', borderRadius: '16rpx', height: '72rpx', padding: '0 20rpx' }"
+                class="native-input-sm"
               />
             </view>
           </view>
@@ -757,4 +753,24 @@ onShow(async () => {
 .btn-submit {
   /* 样式已内联设置 */
 }
+
+/* 原生 input 样式 */
+.native-input {
+  background-color: #F9FAFB;
+  border-radius: 20rpx;
+  height: 96rpx;
+  padding: 0 32rpx;
+  font-size: 28rpx;
+  color: #1F2937;
+}
+
+.native-input-sm {
+  background-color: #FFFFFF;
+  border-radius: 16rpx;
+  height: 72rpx;
+  padding: 0 20rpx;
+  font-size: 26rpx;
+  color: #1F2937;
+  border: 1rpx solid #E5E7EB;
+}
 </style>
\ No newline at end of file
diff --git a/pages/detail/detail.vue b/pages/detail/detail.vue
index 1c30efb..6bc5c8a 100755
--- a/pages/detail/detail.vue
+++ b/pages/detail/detail.vue
@@ -423,11 +423,10 @@
           
           <view class="form-item">
             <text class="form-label">备注</text>
-            <u-input 
+            <input 
               v-model="transactionForm.remark" 
               placeholder="请输入备注（可选）"
-              :border="false"
-              :customStyle="{ backgroundColor: '#F9FAFB', borderRadius: '16rpx', height: '80rpx', padding: '0 20rpx', border: '2rpx solid #E5E7EB' }"
+              class="native-input-remark"
             />
           </view>
         </view>
@@ -1719,4 +1718,15 @@ const deletePortfolio = async () => {
 .nav-stats .text-green {
   color: #DC2626;
 }
+
+/* 原生 input 样式 */
+.native-input-remark {
+  background-color: #F9FAFB;
+  border-radius: 16rpx;
+  height: 80rpx;
+  padding: 0 20rpx;
+  border: 2rpx solid #E5E7EB;
+  font-size: 28rpx;
+  color: #1F2937;
+}
 </style>
\ No newline at end of file
diff --git a/todo.md b/todo.md
index c6fcfe2..643ec54 100644
--- a/todo.md
+++ b/todo.md
@@ -38,21 +38,25 @@
 
 ## 待处理
 
-### P1 - CSS 清理
-- [ ] index.vue: 检查并移除未使用的 CSS 类
-- [ ] detail.vue: 进一步清理冗余样式
-- [ ] config.vue: 优化表单样式
+### P1 - CSS 清理 ✅ 完成
+- [x] index.vue: 检查并移除未使用的 CSS 类
+- [x] detail.vue: 进一步清理冗余样式
+- [x] config.vue: 优化表单样式
 
-### P2 - 代码质量
-- [ ] 统一错误处理机制
-- [ ] 添加 TypeScript 类型定义
-- [ ] 优化 API 调用封装
+### P2 - 小程序兼容性 ✅ 完成
+- [x] config.vue: 替换 4 处 u-input 为原生 input
+- [x] detail.vue: 替换 1 处 u-input 为原生 input
 
 ### P3 - 功能增强
 - [ ] 下拉刷新
 - [ ] 上拉加载更多
 - [ ] 空状态优化
 
+### P4 - 代码质量
+- [ ] 统一错误处理机制
+- [ ] 添加 TypeScript 类型定义
+- [ ] 优化 API 调用封装
+
 ## 兼容性
 - ✅ 微信小程序（已验证）
 - ⚠️ H5（需要条件编译恢复）