diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/WxPayService.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/WxPayService.java
index ebe4de02e..2db2987d1 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/WxPayService.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/WxPayService.java
@@ -86,7 +86,9 @@ public interface WxPayService {
    * @param mchId 商户标识
    * @return 切换是否成功，如果找不到匹配的配置则返回false
    */
-  boolean switchover(String mchId);
+  default boolean switchover(String mchId) {
+    return false;
+  }
 
   /**
    * 进行相应的商户切换.
@@ -104,9 +106,11 @@ public interface WxPayService {
    *
    * @param mchId 商户标识
    * @return 切换成功，则返回当前对象，方便链式调用
-   * @throws WxRuntimeException 如果找不到匹配的配置
+   * @throws me.chanjar.weixin.common.error.WxRuntimeException 如果找不到匹配的配置
    */
-  WxPayService switchoverTo(String mchId);
+  default WxPayService switchoverTo(String mchId) {
+    throw new me.chanjar.weixin.common.error.WxRuntimeException("子类需要实现此方法");
+  }
 
   /**
    * 发送post请求，得到响应字节数组.
diff --git a/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/service/impl/MultiAppIdSwitchoverManualTest.java b/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/service/impl/MultiAppIdSwitchoverManualTest.java
index 7258561f0..010f15fc6 100644
--- a/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/service/impl/MultiAppIdSwitchoverManualTest.java
+++ b/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/service/impl/MultiAppIdSwitchoverManualTest.java
@@ -47,8 +47,8 @@ public class MultiAppIdSwitchoverManualTest {
     boolean success = payService.switchover(testMchId, testAppId1);
     System.out.println("切换结果: " + success);
     System.out.println("当前配置 - MchId: " + payService.getConfig().getMchId() + ", AppId: " + payService.getConfig().getAppId() + ", MchKey: " + payService.getConfig().getMchKey());
-    assert success : "切换应该成功";
-    assert testAppId1.equals(payService.getConfig().getAppId()) : "AppId应该是 " + testAppId1;
+    verify(success, "切换应该成功");
+    verify(testAppId1.equals(payService.getConfig().getAppId()), "AppId应该是 " + testAppId1);
     System.out.println("✓ 测试1通过\n");
 
     // 测试2: 仅使用 mchId 切换
@@ -56,8 +56,8 @@ public class MultiAppIdSwitchoverManualTest {
     success = payService.switchover(testMchId);
     System.out.println("切换结果: " + success);
     System.out.println("当前配置 - MchId: " + payService.getConfig().getMchId() + ", AppId: " + payService.getConfig().getAppId() + ", MchKey: " + payService.getConfig().getMchKey());
-    assert success : "仅使用mchId切换应该成功";
-    assert testMchId.equals(payService.getConfig().getMchId()) : "MchId应该是 " + testMchId;
+    verify(success, "仅使用mchId切换应该成功");
+    verify(testMchId.equals(payService.getConfig().getMchId()), "MchId应该是 " + testMchId);
     System.out.println("✓ 测试2通过\n");
 
     // 测试3: 使用 switchoverTo 链式调用（精确匹配）
@@ -65,8 +65,8 @@ public class MultiAppIdSwitchoverManualTest {
     WxPayService result = payService.switchoverTo(testMchId, testAppId2);
     System.out.println("返回对象: " + (result == payService ? "同一实例" : "不同实例"));
     System.out.println("当前配置 - MchId: " + payService.getConfig().getMchId() + ", AppId: " + payService.getConfig().getAppId() + ", MchKey: " + payService.getConfig().getMchKey());
-    assert result == payService : "应该返回同一实例";
-    assert testAppId2.equals(payService.getConfig().getAppId()) : "AppId应该是 " + testAppId2;
+    verify(result == payService, "应该返回同一实例");
+    verify(testAppId2.equals(payService.getConfig().getAppId()), "AppId应该是 " + testAppId2);
     System.out.println("✓ 测试3通过\n");
 
     // 测试4: 使用 switchoverTo 链式调用（仅mchId）
@@ -74,22 +74,22 @@ public class MultiAppIdSwitchoverManualTest {
     result = payService.switchoverTo(testMchId);
     System.out.println("返回对象: " + (result == payService ? "同一实例" : "不同实例"));
     System.out.println("当前配置 - MchId: " + payService.getConfig().getMchId() + ", AppId: " + payService.getConfig().getAppId() + ", MchKey: " + payService.getConfig().getMchKey());
-    assert result == payService : "应该返回同一实例";
-    assert testMchId.equals(payService.getConfig().getMchId()) : "MchId应该是 " + testMchId;
+    verify(result == payService, "应该返回同一实例");
+    verify(testMchId.equals(payService.getConfig().getMchId()), "MchId应该是 " + testMchId);
     System.out.println("✓ 测试4通过\n");
 
     // 测试5: 切换到不存在的商户号
     System.out.println("=== 测试5: 切换到不存在的商户号 ===");
     success = payService.switchover("nonexistent_mch_id");
     System.out.println("切换结果: " + success);
-    assert !success : "切换到不存在的商户号应该失败";
+    verify(!success, "切换到不存在的商户号应该失败");
     System.out.println("✓ 测试5通过\n");
 
     // 测试6: 切换到不存在的 appId
     System.out.println("=== 测试6: 切换到不存在的 appId ===");
     success = payService.switchover(testMchId, "wx9999999999999999");
     System.out.println("切换结果: " + success);
-    assert !success : "切换到不存在的appId应该失败";
+    verify(!success, "切换到不存在的appId应该失败");
     System.out.println("✓ 测试6通过\n");
 
     // 测试7: 添加新配置后切换
@@ -100,16 +100,28 @@ public class MultiAppIdSwitchoverManualTest {
     newConfig.setAppId(newAppId);
     newConfig.setMchKey("test_key_4");
     payService.addConfig(testMchId, newAppId, newConfig);
-    
+
     success = payService.switchover(testMchId, newAppId);
     System.out.println("切换结果: " + success);
     System.out.println("当前配置 - MchId: " + payService.getConfig().getMchId() + ", AppId: " + payService.getConfig().getAppId() + ", MchKey: " + payService.getConfig().getMchKey());
-    assert success : "切换到新添加的配置应该成功";
-    assert newAppId.equals(payService.getConfig().getAppId()) : "AppId应该是 " + newAppId;
+    verify(success, "切换到新添加的配置应该成功");
+    verify(newAppId.equals(payService.getConfig().getAppId()), "AppId应该是 " + newAppId);
     System.out.println("✓ 测试7通过\n");
 
     System.out.println("==================");
     System.out.println("所有测试通过! ✓");
     System.out.println("==================");
   }
+
+  /**
+   * 验证条件是否为真，如果为假则抛出异常
+   *
+   * @param condition 待验证的条件
+   * @param message   验证失败时的错误信息
+   */
+  private static void verify(boolean condition, String message) {
+    if (!condition) {
+      throw new RuntimeException("验证失败: " + message);
+    }
+  }
 }