fix: 完成商务迁移复核与接口优化并清理历史资料

internal/service/payment/payment.go

@@ -222,12 +222,21 @@ func (s *PaymentService) Refund(ctx context.Context, req *dto.PaymentRefundReque
 
 func (s *PaymentService) TestProvider(ctx context.Context, provider string) (*dto.PaymentTestResult, error) {
 	result, err := s.uc.TestProvider(ctx, provider)
+	// The usecase records provider diagnostics in server logs. Arbitrary adapter
+	// errors can contain URLs, credentials or SQL; never forward them over HTTP.
+	if err != nil {
+		err = paymentbiz.ErrPaymentTestFailed
+	}
 	if result == nil {
 		return nil, err
 	}
 	response := &dto.PaymentTestResult{Provider: result.Provider, TradeNo: result.TradeNo, Passed: result.Passed, FullFlow: result.FullFlow, Mode: result.Mode, Stages: make([]*dto.PaymentTestStage, 0, len(result.Stages))}
 	for _, stage := range result.Stages {
-		response.Stages = append(response.Stages, &dto.PaymentTestStage{Name: stage.Name, Status: stage.Status, Message: stage.Message, TradeNo: stage.TradeNo, Duration: stage.Duration})
+		message := stage.Message
+		if stage.Status == "failed" {
+			message = "该步骤失败，请检查配置和服务端日志"
+		}
+		response.Stages = append(response.Stages, &dto.PaymentTestStage{Name: stage.Name, Status: stage.Status, Message: message, TradeNo: stage.TradeNo, Duration: stage.Duration})
 	}
 	response.Result = paymentResultResponse(result.Result)
 	return response, err