diff --git a/internal/domains/api/services/processors/qcxg/qcxga8v3_processor.go b/internal/domains/api/services/processors/qcxg/qcxga8v3_processor.go
index 3f420ce..6598f33 100644
--- a/internal/domains/api/services/processors/qcxg/qcxga8v3_processor.go
+++ b/internal/domains/api/services/processors/qcxg/qcxga8v3_processor.go
@@ -24,7 +24,7 @@ func ProcessQCXGA8V3Request(ctx context.Context, params []byte, deps *processors
 	// 构建数据宝入参：姓名、身份证、手机号、银行卡号（sign 外的业务参数可按需 AES 加密后作为 bodyData）
 	reqParams := map[string]interface{}{
 		"key":     "df456d08f3cd3420e2806a6d0181c454",
-		"vinList": paramsDto.VinCode,
+		"vin": paramsDto.VinCode,
 	}
 
 	// 最终请求 URL = https://api.chinadatapay.com/communication + 拼接接口地址值，如 personal/197