diff --git a/apps/api/internal/common/logic.go b/apps/api/internal/common/logic.go
index 437fd68..36d81c2 100644
--- a/apps/api/internal/common/logic.go
+++ b/apps/api/internal/common/logic.go
@@ -1,5 +1,24 @@
 package common
 
+import (
+	"encoding/json"
+)
+
+// StructToMap 将结构体转换为 map[string]interface{}
+func StructToMap(data interface{}) (map[string]interface{}, error) {
+	jsonData, err := json.Marshal(data)
+	if err != nil {
+		return nil, err
+	}
+
+	var result map[string]interface{}
+	if err := json.Unmarshal(jsonData, &result); err != nil {
+		return nil, err
+	}
+
+	return result, nil
+}
+
 func MapStructToAPIRequest(encryptedFields map[string]interface{}, fieldMapping map[string]string, wrapField string) map[string]interface{} {
 	apiRequest := make(map[string]interface{})
 
diff --git a/apps/api/internal/logic/COMB/comb298ylogic.go b/apps/api/internal/logic/COMB/comb298ylogic.go
index 74bf304..e82f8b7 100644
--- a/apps/api/internal/logic/COMB/comb298ylogic.go
+++ b/apps/api/internal/logic/COMB/comb298ylogic.go
@@ -107,13 +107,6 @@ func (l *COMB298YLogic) COMB298Y(req *types.Request) (resp string, err *errs.App
 		return "", errs.ErrParamValidation
 	}
 
-	var encryptedFields map[string]interface{}
-	unmarshalErr := json.Unmarshal(decryptData, &encryptedFields)
-	if unmarshalErr != nil {
-		logx.Errorf("解密数据转换为map失败：%v", err)
-		return "", errs.ErrSystem
-	}
-
 	// 准备并发请求
 	apiRequests := []APIRequest{
 		{SourceId: "G16BJ02", ServiceId: "YYSY09CD", Mapping: westmodel.YYSY09CDFieldMapping, Wrap: "data", Service: "west"},
@@ -133,18 +126,33 @@ func (l *COMB298YLogic) COMB298Y(req *types.Request) (resp string, err *errs.App
 
 	// 为每个请求构建对应的请求参数
 	for i := range apiRequests {
-		request := encryptedFields
 		if apiRequests[i].Service == "west" {
-			// 3、西部加密
+			// 西部服务：先加密后mapping
 			westConfig := l.svcCtx.Config.WestConfig
-			encryptedRequest, encryptStructFieldsErr := common.EncryptStructFields(request, westConfig.Key)
-			if encryptStructFieldsErr != nil {
-				logx.Errorf("西部加密错误：%v", encryptStructFieldsErr)
+			// 将结构体转换为map
+			dataMap, err := common.StructToMap(data)
+			if err != nil {
+				logx.Errorf("结构体转map失败：%v", err)
+				return "", errs.ErrSystem
 			}
-			request = encryptedRequest
+			// 加密
+			encryptedRequest, encryptErr := common.EncryptStructFields(dataMap, westConfig.Key)
+			if encryptErr != nil {
+				logx.Errorf("西部加密错误：%v", encryptErr)
+				return "", errs.ErrSystem
+			}
+			// mapping
+			apiRequests[i].Request = common.MapStructToAPIRequest(encryptedRequest, apiRequests[i].Mapping, apiRequests[i].Wrap)
+		} else {
+			// 羽山服务：直接mapping
+			dataMap, err := common.StructToMap(data)
+			if err != nil {
+				logx.Errorf("结构体转map失败：%v", err)
+				return "", errs.ErrSystem
+			}
+			apiRequests[i].Request = common.MapStructToAPIRequest(dataMap, apiRequests[i].Mapping, apiRequests[i].Wrap)
 		}
-		logx.Infof("sourceId:%s,请求参数:%v", apiRequests[i].SourceId, request)
-		apiRequests[i].Request = common.MapStructToAPIRequest(request, apiRequests[i].Mapping, apiRequests[i].Wrap)
+		logx.Infof("sourceId:%s,请求参数:%v", apiRequests[i].SourceId, apiRequests[i].Request)
 	}
 
 	// 创建响应通道