diff --git a/frontend/mining-app/lib/presentation/pages/trading/trading_page.dart b/frontend/mining-app/lib/presentation/pages/trading/trading_page.dart
index d62672b8..497c1f23 100644
--- a/frontend/mining-app/lib/presentation/pages/trading/trading_page.dart
+++ b/frontend/mining-app/lib/presentation/pages/trading/trading_page.dart
@@ -363,8 +363,8 @@ class _TradingPageState extends ConsumerState<TradingPage> {
     // 可用积分值（现金）
     final availableCash = asset?.availableCash ?? '0';
 
-    // 设置默认价格
-    if (_priceController.text.isEmpty && priceInfo != null) {
+    // 始终使用实时价格（价格不可修改）
+    if (priceInfo != null) {
       _priceController.text = currentPrice;
     }
 
@@ -573,8 +573,8 @@ class _TradingPageState extends ConsumerState<TradingPage> {
               ),
             ],
             const SizedBox(height: 16),
-            // 价格输入
-            _buildInputField('价格', _priceController, '请输入价格', '积分值'),
+            // 价格显示（只读，使用实时价格）
+            _buildInputField('价格', _priceController, '实时价格', '积分值', readOnly: true),
             const SizedBox(height: 16),
             // 数量输入 - 带"全部"按钮
             // 卖出时使用交易账户积分股余额（只能卖出交易账户的，挖矿账户需要先划转）
@@ -757,8 +757,9 @@ class _TradingPageState extends ConsumerState<TradingPage> {
     String label,
     TextEditingController controller,
     String hint,
-    String suffix,
-  ) {
+    String suffix, {
+    bool readOnly = false,
+  }) {
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
@@ -774,7 +775,7 @@ class _TradingPageState extends ConsumerState<TradingPage> {
         Container(
           height: 44,
           decoration: BoxDecoration(
-            color: _bgGray,
+            color: readOnly ? _bgGray.withOpacity(0.7) : _bgGray,
             borderRadius: BorderRadius.circular(12),
           ),
           child: Row(
@@ -782,7 +783,13 @@ class _TradingPageState extends ConsumerState<TradingPage> {
               Expanded(
                 child: TextField(
                   controller: controller,
+                  readOnly: readOnly,
+                  enabled: !readOnly,
                   keyboardType: const TextInputType.numberWithOptions(decimal: true),
+                  style: TextStyle(
+                    fontSize: 14,
+                    color: readOnly ? _grayText : _darkText,
+                  ),
                   decoration: InputDecoration(
                     hintText: hint,
                     hintStyle: const TextStyle(