diff --git a/YLErpDAL/Modules/TradeModule/TradeOAService.cs b/YLErpDAL/Modules/TradeModule/TradeOAService.cs
index 29c670ea..983c1ff8 100644
--- a/YLErpDAL/Modules/TradeModule/TradeOAService.cs
+++ b/YLErpDAL/Modules/TradeModule/TradeOAService.cs
@@ -319,7 +319,7 @@ namespace YLErp.Modules.TradeModule
                 // 注意：Java后端使用驼峰命名，参数名需与后端@RequestParam注解的名称一致
                 var query =
                     $"flowId={Uri.EscapeDataString(flowId)}" +
-                    $"&isNextFlow={Uri.EscapeDataString(isNextFlow ?? string.Empty)}" +
+                    $"&isnextflow={Uri.EscapeDataString(isNextFlow ?? string.Empty)}" +
                     $"&systemToken={Uri.EscapeDataString(systemToken)}" +
                     $"&systemName={Uri.EscapeDataString(systemName ?? string.Empty)}";