diff --git a/docs/reference/README_simyo_esim.md b/docs/reference/README_simyo_esim.md
index 7663ef8..fdc926a 100644
--- a/docs/reference/README_simyo_esim.md
+++ b/docs/reference/README_simyo_esim.md
@@ -199,7 +199,7 @@ const response = await fetch('https://appapi.simyo.nl/simyoapi/api/v1/sessions',
     method: 'POST',
     headers: createHeaders(false),
     body: JSON.stringify({
-        phoneNumber: '0613715742',
+        phoneNumber: '0613123712',
         password: 'your_password'
     })
 });
diff --git a/src/simyo/simyo_complete_esim.html b/src/simyo/simyo_complete_esim.html
index 75df651..6debee9 100644
--- a/src/simyo/simyo_complete_esim.html
+++ b/src/simyo/simyo_complete_esim.html
@@ -628,7 +628,7 @@
                     
                     <div class="mb-4">
                         <label for="phoneNumber" class="form-label">手机号码：</label>
-                        <input type="text" id="phoneNumber" class="form-control" placeholder="例如: 0613715742" maxlength="15">
+                        <input type="text" id="phoneNumber" class="form-control" placeholder="例如: 0613123712" maxlength="15">
                     </div>
                     
                     <div class="mb-4">
@@ -997,6 +997,22 @@
                 // 重置UI
                 showSection(1);
                 updateSteps(1);
+                
+                // 确保显示登录步骤，隐藏设备更换相关界面
+                const step1 = document.getElementById('step1');
+                if (step1) {
+                    step1.style.display = 'block';
+                }
+                
+                const deviceChangeOption = document.getElementById('deviceChangeOption');
+                if (deviceChangeOption) {
+                    deviceChangeOption.style.display = 'none';
+                }
+                
+                const deviceChangeSteps = document.getElementById('deviceChangeSteps');
+                if (deviceChangeSteps) {
+                    deviceChangeSteps.style.display = 'none';
+                }
 
                 // 重置所有表单
                 document.querySelectorAll('input').forEach(input => {
@@ -1491,10 +1507,20 @@
 
         // 显示设备更换选项
         function showDeviceChangeOption() {
+            // 隐藏登录步骤
+            const step1 = document.getElementById('step1');
+            if (step1) {
+                step1.style.display = 'none';
+            }
+            
+            // 显示设备更换选项
             const deviceChangeOption = document.getElementById('deviceChangeOption');
             if (deviceChangeOption) {
                 deviceChangeOption.style.display = 'block';
             }
+            
+            // 更新步骤指示器，跳过步骤1
+            updateSteps(2);
         }
 
         // 开始设备更换流程
diff --git a/tests/test_simyo_esim.html b/tests/test_simyo_esim.html
index c38809f..21c5c72 100644
--- a/tests/test_simyo_esim.html
+++ b/tests/test_simyo_esim.html
@@ -226,7 +226,7 @@
                     <div class="mock-data">
                         <h6>Simyo 账户</h6>
                         <input type="text" class="mock-input" id="mockPhoneNumber" 
-                               placeholder="手机号码" value="0613715742">
+                               placeholder="手机号码" value="0613123712">
                         <input type="text" class="mock-input" id="mockPassword" 
                                placeholder="密码" value="test_password">
                     </div>
@@ -414,7 +414,7 @@
                             result: {
                                 activationCode: "1$esim.simyo.nl$mock_activation_abcdef123456",
                                 status: "READY",
-                                phoneNumber: "0613715742",
+                                phoneNumber: "0613123712",
                                 iccid: "8931088123456789012",
                                 createdAt: "2024-01-15T10:30:00Z"
                             }
@@ -560,7 +560,7 @@
         async function testPhoneValidation() {
             await testFramework.runTest('phone-validation', async () => {
                 // 测试有效的荷兰手机号
-                testFramework.assertTrue(mockValidatePhoneNumber('0613715742'), 'Should accept valid Dutch mobile number');
+                testFramework.assertTrue(mockValidatePhoneNumber('0613123712'), 'Should accept valid Dutch mobile number');
                 testFramework.assertTrue(mockValidatePhoneNumber('0687654321'), 'Should accept another valid number');
                 
                 // 测试无效的手机号