diff --git a/server/modules/yx/service/score_util.go b/server/common/score_calculator.go
similarity index 93%
rename from server/modules/yx/service/score_util.go
rename to server/common/score_calculator.go
index f51ddfb..5574b9b 100644
--- a/server/modules/yx/service/score_util.go
+++ b/server/common/score_calculator.go
@@ -1,16 +1,15 @@
-package service
+package common
 
 import (
 	"math"
 	"regexp"
-	"server/common"
 	"server/modules/user/vo"
 	"server/modules/yx/dto"
 	"strconv"
 	"strings"
 )
 
-// ScoreUtil 分数计算工具函数集合
+// ScoreCalculator 分数计算工具函数集合
 // 移植自 Java 版本的 ScoreUtil.java
 
 var (
@@ -66,9 +65,9 @@ func ComputeHistoryMajorEnrollScoreLineDifferenceWithRulesEnrollProbability(majo
 		// boolean isSportsMajor = "体育类".equals(enrollData.getMajorType());
 		if "体育类" == majorType {
 			if "2024" == enrollData.Year && "专过文排" != enrollData.EnrollmentCode && "文过专排" != enrollData.EnrollmentCode {
-				currentDiff = currentDiff * common.Number7p5
+				currentDiff = currentDiff * Number7p5
 			} else if "2024" == enrollData.Year && "文过专排" == enrollData.EnrollmentCode { // Placeholder
-				currentDiff = currentDiff * common.Number5
+				currentDiff = currentDiff * Number5
 			} else if "2023" == enrollData.Year {
 				continue
 			} else if rulesEnrollProbability == enrollData.RulesEnrollProbability { // Need field
@@ -119,11 +118,11 @@ func ConvertIntoScore(rulesEnrollProbability string, culturalScore, professional
 
 // CrossingControlLine 判断是否过省控线
 func CrossingControlLine(rulesEnrollProbability string, culturalScore, professionalScore, culturalControlLine, specialControlLine float64) bool {
-	if rulesEnrollProbability == common.CulturalControlLineGuo {
+	if rulesEnrollProbability == CulturalControlLineGuo {
 		return culturalScore >= culturalControlLine
-	} else if rulesEnrollProbability == common.SpecialControlLineGuo {
+	} else if rulesEnrollProbability == SpecialControlLineGuo {
 		return professionalScore >= specialControlLine
-	} else if rulesEnrollProbability == common.CulturalControlLineGuoMain {
+	} else if rulesEnrollProbability == CulturalControlLineGuoMain {
 		return culturalScore >= specialControlLine
 	}
 	return culturalScore >= culturalControlLine && professionalScore >= specialControlLine
@@ -195,4 +194,4 @@ func ReplaceLastZeroChar(input string) string {
 	input = strings.ReplaceAll(input, "1.", "1")
 	// 简化处理
 	return input
-}
+}
\ No newline at end of file
diff --git a/server/modules/system/controller/sys_auth_controller.go b/server/modules/system/controller/sys_auth_controller.go
index bd6d2d8..9ec4424 100644
--- a/server/modules/system/controller/sys_auth_controller.go
+++ b/server/modules/system/controller/sys_auth_controller.go
@@ -3,17 +3,12 @@ package controller
 
 import (
 	"server/common"
+	"server/modules/system/dto"
 	"server/modules/system/service"
 
 	"github.com/gin-gonic/gin"
 )
 
-// LoginRequest 登录请求
-type LoginRequest struct {
-	Username string `json:"username" binding:"required"`
-	Password string `json:"password" binding:"required"`
-}
-
 // AuthController 认证控制器
 type AuthController struct {
 	userService *service.SysUserService
@@ -38,7 +33,7 @@ func (ctrl *AuthController) RegisterRoutes(r *gin.RouterGroup) {
 // @Success      200  {object}  common.Response
 // @Router       /sys/auth/login [post]
 func (ctrl *AuthController) SysLogin(c *gin.Context) {
-	var req LoginRequest
+	var req dto.LoginRequest
 	if err := c.ShouldBindJSON(&req); err != nil {
 		common.Error(c, 400, "用户名和密码不能为空")
 		return
diff --git a/server/modules/system/dto/auth_dto.go b/server/modules/system/dto/auth_dto.go
new file mode 100644
index 0000000..995c6fc
--- /dev/null
+++ b/server/modules/system/dto/auth_dto.go
@@ -0,0 +1,7 @@
+package dto
+
+// LoginRequest 登录请求
+type LoginRequest struct {
+	Username string `json:"username" binding:"required"`
+	Password string `json:"password" binding:"required"`
+}
\ No newline at end of file
diff --git a/server/modules/user/controller/user_volunteer_controller.go b/server/modules/user/controller/user_volunteer_controller.go
index a075bcc..f98217a 100644
--- a/server/modules/user/controller/user_volunteer_controller.go
+++ b/server/modules/user/controller/user_volunteer_controller.go
@@ -3,7 +3,6 @@ package controller
 import (
 	"server/common"
 	"server/modules/user/service"
-	"server/modules/user/vo"
 	yxDto "server/modules/yx/dto"
 	"server/modules/yx/entity"
 	yx_service "server/modules/yx/service"
@@ -65,16 +64,11 @@ func (ctrl *UserVolunteerController) SaveVolunteer(c *gin.Context) {
 	keys = uniqueKeys
 
 	loginUserId := common.GetLoginUser(c).ID
-	scoreObj, err := ctrl.userScoreService.GetActiveScoreID(loginUserId)
+	userScoreVO, err := ctrl.userScoreService.GetActiveScoreByUserID(loginUserId)
 	if err != nil {
 		common.Error(c, 500, err.Error()) // 获取用户成绩信息失败
 		return
 	}
-	userScoreVO, ok := scoreObj.(vo.UserScoreVO)
-	if !ok {
-		common.Error(c, 500, "成绩信息格式错误")
-		return
-	}
 
 	if userScoreVO.CalculationTableName == "" {
 		common.Error(c, 500, "未找到计算表名")
@@ -150,16 +144,11 @@ func (ctrl *UserVolunteerController) SaveVolunteer(c *gin.Context) {
 // @Router       /user/volunteer/detail [get]
 func (ctrl *UserVolunteerController) GetVolunteerDetail(c *gin.Context) {
 	loginUserId := common.GetLoginUser(c).ID
-	scoreObj, err := ctrl.userScoreService.GetActiveScoreID(loginUserId)
+	userScoreVO, err := ctrl.userScoreService.GetActiveScoreByUserID(loginUserId)
 	if err != nil {
 		common.Error(c, 500, err.Error())
 		return
 	}
-	userScoreVO, ok := scoreObj.(vo.UserScoreVO)
-	if !ok {
-		common.Error(c, 500, "成绩信息格式错误")
-		return
-	}
 
 	// 查找当前激活的志愿表
 	volunteer, err := ctrl.yxVolunteerService.FindActiveByScoreId(userScoreVO.ID)
@@ -353,16 +342,11 @@ func (ctrl *UserVolunteerController) SwitchVolunteer(c *gin.Context) {
 
 	loginUserID := common.GetLoginUser(c).ID
 	// 1. 先判断是否已是该志愿单 (从 cache 或 db 中查找激活的)
-	scoreObj, err := ctrl.userScoreService.GetActiveScoreID(loginUserID)
+	userScoreVO, err := ctrl.userScoreService.GetActiveScoreByUserID(loginUserID)
 	if err != nil {
 		common.Error(c, 500, "获取用户成绩信息失败: "+err.Error())
 		return
 	}
-	userScoreVO, ok := scoreObj.(vo.UserScoreVO)
-	if !ok {
-		common.Error(c, 500, "成绩信息格式错误")
-		return
-	}
 
 	if userScoreVO.ID != "" {
 		activeVolunteer, _ := ctrl.yxVolunteerService.FindActiveByScoreId(userScoreVO.ID)
diff --git a/server/modules/user/service/user_score_service.go b/server/modules/user/service/user_score_service.go
index 7a04bb2..5552d84 100644
--- a/server/modules/user/service/user_score_service.go
+++ b/server/modules/user/service/user_score_service.go
@@ -26,13 +26,21 @@ type UserScoreService struct {
 	mapper                    *mapper.YxUserScoreMapper
 }
 
-// GetActiveScoreID 获取用户的激活成绩信息
-func (s *UserScoreService) GetActiveScoreID(userID string) (interface{}, error) {
-	vo, err := s.GetActiveScoreByUserID(userID)
+// GetActiveScoreID 获取用户的激活成绩ID
+func (s *UserScoreService) GetActiveScoreID(userID string) (string, error) {
+	var score entity.YxUserScore
+	// 明确指定字段，提高可读性
+	err := config.DB.Model(&entity.YxUserScore{}).
+		Where("create_by = ? AND state = ?", userID, "1").
+		Select("id").
+		First(&score).Error
 	if err != nil {
-		return nil, err
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return "", nil // 未找到激活成绩返回空字符串
+		}
+		return "", fmt.Errorf("查询激活成绩ID失败: %w", err)
 	}
-	return vo, nil
+	return score.ID, nil
 }
 
 // GetActiveScoreByID 获取用户的激活成绩实体（实现 IScoreService 接口）
diff --git a/server/modules/yx/mapper/yx_volunteer_mapper.go b/server/modules/yx/mapper/yx_volunteer_mapper.go
index 8a6aa4c..22979e6 100644
--- a/server/modules/yx/mapper/yx_volunteer_mapper.go
+++ b/server/modules/yx/mapper/yx_volunteer_mapper.go
@@ -3,8 +3,8 @@ package mapper
 
 import (
 	"server/config"
-	"server/modules/yx/dto"
 	"server/modules/yx/entity"
+	"server/modules/yx/vo"
 
 	"gorm.io/gorm/clause"
 )
@@ -81,8 +81,8 @@ func (m *YxVolunteerMapper) BatchDelete(ids []string) error {
 	return config.DB.Delete(&entity.YxVolunteer{}, "id IN ?", ids).Error
 }
 
-func (m *YxVolunteerMapper) ListByUser(userID string, page, size int) ([]dto.UserVolunteerVO, int64, error) {
-	var items []dto.UserVolunteerVO
+func (m *YxVolunteerMapper) ListByUser(userID string, page, size int) ([]vo.UserVolunteerVO, int64, error) {
+	var items []vo.UserVolunteerVO
 	var total int64
 
 	db := config.DB.Table("yx_volunteer v").
diff --git a/server/modules/yx/service/yx_calculation_major_service.go b/server/modules/yx/service/yx_calculation_major_service.go
index 84be2cb..6d1fc4b 100644
--- a/server/modules/yx/service/yx_calculation_major_service.go
+++ b/server/modules/yx/service/yx_calculation_major_service.go
@@ -4,6 +4,7 @@ package service
 import (
 	"fmt"
 	"server/common"
+	calc "server/common"
 	"server/modules/user/vo"
 	"server/modules/yx/dto"
 	yxDto "server/modules/yx/dto"
@@ -45,11 +46,6 @@ func (s *YxCalculationMajorService) RecommendMajorList(schoolMajorQuery yxDto.Sc
 		schoolMajorQuery.Batch = "高职高专"
 	}
 
-	// if len(schoolMajorQuery.MajorTypeChildren) > 0 && "高职高专" != schoolMajorQuery.Batch {
-	// 	if "表演类" == schoolMajorQuery.MajorType {
-
-	// 	}
-	// }
 	calculationMajors, total, probCount, err := s.mapper.FindRecommendList(schoolMajorQuery)
 	if err != nil {
 		return nil, 0, dto.ProbabilityCountDTO{}, err
@@ -444,7 +440,7 @@ func (s *YxCalculationMajorService) betaRecommendMajorListSetEnrollProbability(r
 		}
 
 		// 判断其他录取要求
-		if !OtherScoreJudge(professionalScore, userScoreVO, *item) {
+		if !calc.OtherScoreJudge(professionalScore, userScoreVO, *item) {
 			item.EnrollProbability = common.Number0
 			continue
 		}
@@ -466,18 +462,18 @@ func (s *YxCalculationMajorService) betaRecommendMajorListSetEnrollProbability(r
 		}
 
 		// 判断是否过省控线
-		if !CrossingControlLine(rulesEnrollProbability, culturalScore, professionalScore, culturalControlLine, specialControlLine) {
+		if !calc.CrossingControlLine(rulesEnrollProbability, culturalScore, professionalScore, culturalControlLine, specialControlLine) {
 			item.EnrollProbability = common.Number0
 			continue
 		}
 
 		// 计算学生折合分
-		studentScore := ConvertIntoScore(rulesEnrollProbability, culturalScore, professionalScore, probabilityOperator)
+		studentScore := calc.ConvertIntoScore(rulesEnrollProbability, culturalScore, professionalScore, probabilityOperator)
 		item.PrivateStudentScore = studentScore
 		item.StudentScore = studentScore // 展示用
 
 		// 权限检查
-		if !HasComputeEnrollProbabilityPermissions(nowBatch, item.Batch) {
+		if !calc.HasComputeEnrollProbabilityPermissions(nowBatch, item.Batch) {
 			item.EnrollProbability = common.Number0
 			continue
 		}
@@ -495,14 +491,14 @@ func (s *YxCalculationMajorService) betaRecommendMajorListSetEnrollProbability(r
 			continue
 		} else {
 			// 当前年省控线 折合后
-			nowYearProvincialControlLine := ConvertIntoScore(rulesEnrollProbability, culturalControlLine, specialControlLine, probabilityOperator)
+			nowYearProvincialControlLine := calc.ConvertIntoScore(rulesEnrollProbability, culturalControlLine, specialControlLine, probabilityOperator)
 			if nowYearProvincialControlLine <= 0 {
 				item.EnrollProbability = common.Number0
 				continue
 			}
 
 			// 历年分差
-			diffMap := ComputeHistoryMajorEnrollScoreLineDifferenceWithRulesEnrollProbability(item.MajorType, rulesEnrollProbability, probabilityOperator, item.HistoryMajorEnrollMap)
+			diffMap := calc.ComputeHistoryMajorEnrollScoreLineDifferenceWithRulesEnrollProbability(item.MajorType, rulesEnrollProbability, probabilityOperator, item.HistoryMajorEnrollMap)
 			historyThreeYearDiff := diffMap["scoreDifference"].(float64)
 
 			if historyThreeYearDiff == 0 {
@@ -514,8 +510,8 @@ func (s *YxCalculationMajorService) betaRecommendMajorListSetEnrollProbability(r
 			nowYearDiff := studentScore - nowYearProvincialControlLine
 
 			// 计算录取率
-			enrollProbability := CommonCheckEnrollProbability(nowYearDiff, historyThreeYearDiff)
-			item.EnrollProbability = CommonCheckEnrollProbabilityBeilv(enrollProbability)
+			enrollProbability := calc.CommonCheckEnrollProbability(nowYearDiff, historyThreeYearDiff)
+			item.EnrollProbability = calc.CommonCheckEnrollProbabilityBeilv(enrollProbability)
 		}
 	}
 
diff --git a/server/modules/yx/service/yx_volunteer_service.go b/server/modules/yx/service/yx_volunteer_service.go
index fc38f6c..cca4d3b 100644
--- a/server/modules/yx/service/yx_volunteer_service.go
+++ b/server/modules/yx/service/yx_volunteer_service.go
@@ -4,17 +4,17 @@ package service
 import (
 	"fmt"
 	"server/common"
-	"server/modules/yx/dto"
 	"server/modules/yx/entity"
 	"server/modules/yx/mapper"
+	"server/modules/yx/vo"
 	"time"
 )
 
-// IScoreService 定义成绩服务的接口，用于解耦
-type IScoreService interface {
+// ScoreService 定义成绩服务的接口，用于解耦
+type ScoreService interface {
 	GetByID(id string) (interface{}, error)
 	GetActiveScoreByID(userID string) (entity.YxUserScore, error)
-	GetActiveScoreID(userID string) (interface{}, error)
+	GetActiveScoreID(userID string) (string, error)
 	UpdateFields(id string, fields map[string]interface{}) error
 	Delete(id string) error
 }
@@ -113,7 +113,7 @@ func (s *YxVolunteerService) UpdateName(id, name, userID string) error {
 	return s.mapper.UpdateFields(id, map[string]interface{}{"volunteer_name": name, "update_by": userID, "update_time": time.Now()})
 }
 
-func (s *YxVolunteerService) ListByUser(userID string, page, size int) ([]dto.UserVolunteerVO, int64, error) {
+func (s *YxVolunteerService) ListByUser(userID string, page, size int) ([]vo.UserVolunteerVO, int64, error) {
 	return s.mapper.ListByUser(userID, page, size)
 }
 
@@ -146,7 +146,7 @@ func (s *YxVolunteerService) DeleteVolunteer(id, userID string) error {
 	return nil // 暂时回退复杂逻辑
 }
 
-func (s *YxVolunteerService) SwitchVolunteer(id, userID string, scoreService IScoreService) error {
+func (s *YxVolunteerService) SwitchVolunteer(id, userID string, scoreService ScoreService) error {
 	if err := s.mapper.CloseOtherVolunteer(userID); err != nil {
 		return err
 	}
@@ -160,21 +160,10 @@ func (s *YxVolunteerService) SwitchVolunteer(id, userID string, scoreService ISc
 	}
 
 	// 获取之前的激活成绩并关闭
-	scoreObj, err := scoreService.GetActiveScoreID(userID)
+	activeScoreID, err := scoreService.GetActiveScoreID(userID)
 	if err != nil {
 		return fmt.Errorf("获取激活成绩失败: %w", err)
 	}
-	var activeScoreID string
-	if scoreObj != nil {
-		// 尝试从 VO 对象中提取 ID
-		if vo, ok := scoreObj.(map[string]interface{}); ok {
-			if id, ok := vo["id"].(string); ok {
-				activeScoreID = id
-			}
-		} else if vo, ok := scoreObj.(struct{ ID string }); ok {
-			activeScoreID = vo.ID
-		}
-	}
 	if activeScoreID != "" && activeScoreID != volunteer.ScoreId {
 		scoreService.UpdateFields(activeScoreID, map[string]interface{}{"state": "0"})
 	}
diff --git a/server/modules/yx/dto/yx_volunteer_vo.go b/server/modules/yx/vo/user_volunteer_vo.go
similarity index 96%
rename from server/modules/yx/dto/yx_volunteer_vo.go
rename to server/modules/yx/vo/user_volunteer_vo.go
index acfe1c5..d578d92 100644
--- a/server/modules/yx/dto/yx_volunteer_vo.go
+++ b/server/modules/yx/vo/user_volunteer_vo.go
@@ -1,4 +1,4 @@
-package dto
+package vo
 
 import (
 	"server/modules/yx/entity"
@@ -11,4 +11,4 @@ type UserVolunteerVO struct {
 	Province             string  `json:"province"`             // 省份
 	CulturalScore        float64 `json:"culturalScore"`        // 文化分
 	ProfessionalScore    float64 `json:"professionalScore"`    // 专业成绩分
-}
+}
\ No newline at end of file