diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/OaSalaryMasterController.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/OaSalaryMasterController.java
index 13eef0f..6d41273 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/OaSalaryMasterController.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/OaSalaryMasterController.java
@@ -19,7 +19,9 @@ import com.ruoyi.common.enums.BusinessType;
 import com.ruoyi.common.utils.poi.ExcelUtil;
 import com.ruoyi.oa.domain.vo.OaSalaryMasterVo;
 import com.ruoyi.oa.domain.bo.OaSalaryMasterBo;
+import com.ruoyi.oa.domain.dto.BatchInsertSalaryStringDto;
 import com.ruoyi.oa.service.IOaSalaryMasterService;
+import com.ruoyi.oa.utils.SalaryStringConverter;
 import com.ruoyi.common.core.page.TableDataInfo;
 
 /**
@@ -109,4 +111,19 @@ public class OaSalaryMasterController extends BaseController {
         return toAjax(iOaSalaryMasterService.batchInsertDetails(bo));
     }
 
+    /**
+     * 批量插入工资明细（处理字符串数字格式）
+     * 专门用于处理前端传递的驼峰命名但数字为字符串格式的数据
+     *
+     * @param requestDto 字符串格式的请求DTO
+     */
+    @Log(title = "批量插入工资明细", businessType = BusinessType.INSERT)
+    @RepeatSubmit()
+    @PostMapping("/batchInsertDetailsWithStringConvert")
+    public R<Void> batchInsertDetailsWithStringConvert(@Validated @RequestBody BatchInsertSalaryStringDto requestDto) {
+        // 将字符串DTO转换为后端BO
+        OaSalaryMasterBo bo = SalaryStringConverter.convertToMasterBo(requestDto);
+        return toAjax(iOaSalaryMasterService.batchInsertDetails(bo));
+    }
+
 }
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/dto/BatchInsertSalaryStringDto.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/dto/BatchInsertSalaryStringDto.java
new file mode 100644
index 0000000..81b2d98
--- /dev/null
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/dto/BatchInsertSalaryStringDto.java
@@ -0,0 +1,66 @@
+package com.ruoyi.oa.domain.dto;
+
+import lombok.Data;
+import javax.validation.Valid;
+import javax.validation.constraints.NotEmpty;
+import javax.validation.constraints.NotBlank;
+import java.util.List;
+
+/**
+ * 批量插入工资明细请求DTO - 处理驼峰命名的字符串数字格式
+ *
+ * @author Joshi
+ * @date 2025-09-08
+ */
+@Data
+public class BatchInsertSalaryStringDto {
+
+    /**
+     * 单位名称
+     */
+    @NotBlank(message = "单位名称不能为空")
+    private String unitName;
+
+    /**
+     * 工资所属期间，格式如：2025-8
+     */
+    @NotBlank(message = "工资期间不能为空")
+    private String salaryPeriod;
+
+    /**
+     * 总经理审批状态或姓名
+     */
+    private String gmApproval;
+
+    /**
+     * 财务审核状态或姓名
+     */
+    private String financeAudit;
+
+    /**
+     * 出纳姓名
+     */
+    private String cashier;
+
+    /**
+     * 部门主管姓名
+     */
+    private String deptManager;
+
+    /**
+     * 经办人姓名
+     */
+    private String operator;
+
+    /**
+     * 备注
+     */
+    private String remark;
+
+    /**
+     * 工资明细列表
+     */
+    @Valid
+    @NotEmpty(message = "明细列表不能为空")
+    private List<SalaryDetailStringDto> salaryDetailList;
+}
\ No newline at end of file
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/dto/SalaryDetailStringDto.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/dto/SalaryDetailStringDto.java
new file mode 100644
index 0000000..6c92c5a
--- /dev/null
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/dto/SalaryDetailStringDto.java
@@ -0,0 +1,377 @@
+package com.ruoyi.oa.domain.dto;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import lombok.Data;
+import java.math.BigDecimal;
+
+/**
+ * 工资明细字符串DTO - 用于接收前端字符串格式的数字字段
+ *
+ * @author Joshi
+ * @date 2025-09-08
+ */
+@Data
+public class SalaryDetailStringDto {
+
+    /**
+     * 主键，自增
+     */
+    private Long detailId;
+
+    /**
+     * 关联主表ID
+     */
+    private Long mainId;
+
+    /**
+     * 序号（字符串格式）
+     */
+    private String serialNumber;
+
+    /**
+     * 部门
+     */
+    private String dept;
+
+    /**
+     * 员工姓名
+     */
+    private String name;
+
+    /**
+     * 基本工资（字符串格式）
+     */
+    private String basicSalary;
+
+    /**
+     * 岗位工资（字符串格式）
+     */
+    private String postSalary;
+
+    /**
+     * 餐补（字符串格式）
+     */
+    private String mealAllowance;
+
+    /**
+     * 住房补贴（字符串格式）
+     */
+    private String housingAllowance;
+
+    /**
+     * 公交补贴（字符串格式）
+     */
+    private String busAllowance;
+
+    /**
+     * 出差天数（字符串格式）
+     */
+    private String businessDaysOther;
+
+    /**
+     * 出差补助（字符串格式）
+     */
+    private String businessAllowance;
+
+    /**
+     * 社保补助（字符串格式）
+     */
+    private String socialSecurityAllowance;
+
+    /**
+     * 加班时长（字符串格式）
+     */
+    private String overtimeHours;
+
+    /**
+     * 加班标准（字符串格式）
+     */
+    private String overtimeRate;
+
+    /**
+     * 加班工资总计（字符串格式）
+     */
+    private String overtimeTotal;
+
+    /**
+     * 出勤天数（字符串格式）
+     */
+    private String businessDays;
+
+    /**
+     * 请假扣款（字符串格式）
+     */
+    private String leaveDeduction;
+
+    /**
+     * 其他扣款（字符串格式）
+     */
+    private String otherDeduction;
+
+    /**
+     * 应发工资（字符串格式）
+     */
+    private String grossSalary;
+
+    /**
+     * 个人缴纳养老保险（字符串格式）
+     */
+    private String personalPension;
+
+    /**
+     * 个人缴纳医疗保险（字符串格式）
+     */
+    private String personalMedical;
+
+    /**
+     * 个人缴纳失业保险（字符串格式）
+     */
+    private String personalUnemployment;
+
+    /**
+     * 个人缴纳大病医疗（字符串格式）
+     */
+    private String personalBigMedical;
+
+    /**
+     * 个人缴纳住房公积金（字符串格式）
+     */
+    private String personalHousingFund;
+
+    /**
+     * 个人所得税（字符串格式）
+     */
+    private String personalTax;
+
+    /**
+     * 实发工资（字符串格式）
+     */
+    private String netSalary;
+
+    /**
+     * 企业缴纳养老保险（字符串格式）
+     */
+    private String enterprisePension;
+
+    /**
+     * 企业缴纳医疗保险（字符串格式）
+     */
+    private String enterpriseMedical;
+
+    /**
+     * 企业缴纳工伤保险（字符串格式）
+     */
+    private String enterpriseInjury;
+
+    /**
+     * 企业缴纳失业保险（字符串格式）
+     */
+    private String enterpriseUnemployment;
+
+    /**
+     * 企业缴纳生育保险（字符串格式）
+     */
+    private String enterpriseMaternity;
+
+    /**
+     * 企业缴纳住房公积金（字符串格式）
+     */
+    private String enterpriseHousingFund;
+
+    /**
+     * 企业缴纳大病医疗（字符串格式）
+     */
+    private String enterpriseBigMedical;
+
+    /**
+     * 单位总支出（字符串格式）
+     */
+    private String unitTotalExpense;
+
+    /**
+     * 备注
+     */
+    private String remark;
+
+    // 辅助方法：安全地将字符串转换为BigDecimal
+    @JsonIgnore
+    private BigDecimal parseDecimal(String value) {
+        if (value == null || value.trim().isEmpty()) {
+            return BigDecimal.ZERO;
+        }
+        try {
+            return new BigDecimal(value.trim());
+        } catch (NumberFormatException e) {
+            return BigDecimal.ZERO;
+        }
+    }
+
+    // 辅助方法：安全地将字符串转换为Long
+    @JsonIgnore
+    private Long parseLong(String value) {
+        if (value == null || value.trim().isEmpty()) {
+            return 0L;
+        }
+        try {
+            return Long.parseLong(value.trim());
+        } catch (NumberFormatException e) {
+            return 0L;
+        }
+    }
+
+    // 转换方法，返回数值类型
+    @JsonIgnore
+    public Long getSerialNumberAsLong() {
+        return parseLong(serialNumber);
+    }
+
+    @JsonIgnore
+    public BigDecimal getBasicSalaryAsDecimal() {
+        return parseDecimal(basicSalary);
+    }
+
+    @JsonIgnore
+    public BigDecimal getPostSalaryAsDecimal() {
+        return parseDecimal(postSalary);
+    }
+
+    @JsonIgnore
+    public BigDecimal getMealAllowanceAsDecimal() {
+        return parseDecimal(mealAllowance);
+    }
+
+    @JsonIgnore
+    public BigDecimal getHousingAllowanceAsDecimal() {
+        return parseDecimal(housingAllowance);
+    }
+
+    @JsonIgnore
+    public BigDecimal getBusAllowanceAsDecimal() {
+        return parseDecimal(busAllowance);
+    }
+
+    @JsonIgnore
+    public Long getBusinessDaysOtherAsLong() {
+        return parseLong(businessDaysOther);
+    }
+
+    @JsonIgnore
+    public BigDecimal getBusinessAllowanceAsDecimal() {
+        return parseDecimal(businessAllowance);
+    }
+
+    @JsonIgnore
+    public BigDecimal getSocialSecurityAllowanceAsDecimal() {
+        return parseDecimal(socialSecurityAllowance);
+    }
+
+    @JsonIgnore
+    public BigDecimal getOvertimeHoursAsDecimal() {
+        return parseDecimal(overtimeHours);
+    }
+
+    @JsonIgnore
+    public BigDecimal getOvertimeRateAsDecimal() {
+        return parseDecimal(overtimeRate);
+    }
+
+    @JsonIgnore
+    public BigDecimal getOvertimeTotalAsDecimal() {
+        return parseDecimal(overtimeTotal);
+    }
+
+    @JsonIgnore
+    public Long getBusinessDaysAsLong() {
+        return parseLong(businessDays);
+    }
+
+    @JsonIgnore
+    public BigDecimal getLeaveDeductionAsDecimal() {
+        return parseDecimal(leaveDeduction);
+    }
+
+    @JsonIgnore
+    public BigDecimal getOtherDeductionAsDecimal() {
+        return parseDecimal(otherDeduction);
+    }
+
+    @JsonIgnore
+    public BigDecimal getGrossSalaryAsDecimal() {
+        return parseDecimal(grossSalary);
+    }
+
+    @JsonIgnore
+    public BigDecimal getPersonalPensionAsDecimal() {
+        return parseDecimal(personalPension);
+    }
+
+    @JsonIgnore
+    public BigDecimal getPersonalMedicalAsDecimal() {
+        return parseDecimal(personalMedical);
+    }
+
+    @JsonIgnore
+    public BigDecimal getPersonalUnemploymentAsDecimal() {
+        return parseDecimal(personalUnemployment);
+    }
+
+    @JsonIgnore
+    public BigDecimal getPersonalBigMedicalAsDecimal() {
+        return parseDecimal(personalBigMedical);
+    }
+
+    @JsonIgnore
+    public BigDecimal getPersonalHousingFundAsDecimal() {
+        return parseDecimal(personalHousingFund);
+    }
+
+    @JsonIgnore
+    public BigDecimal getPersonalTaxAsDecimal() {
+        return parseDecimal(personalTax);
+    }
+
+    @JsonIgnore
+    public BigDecimal getNetSalaryAsDecimal() {
+        return parseDecimal(netSalary);
+    }
+
+    @JsonIgnore
+    public BigDecimal getEnterprisePensionAsDecimal() {
+        return parseDecimal(enterprisePension);
+    }
+
+    @JsonIgnore
+    public BigDecimal getEnterpriseMedicalAsDecimal() {
+        return parseDecimal(enterpriseMedical);
+    }
+
+    @JsonIgnore
+    public BigDecimal getEnterpriseInjuryAsDecimal() {
+        return parseDecimal(enterpriseInjury);
+    }
+
+    @JsonIgnore
+    public BigDecimal getEnterpriseUnemploymentAsDecimal() {
+        return parseDecimal(enterpriseUnemployment);
+    }
+
+    @JsonIgnore
+    public BigDecimal getEnterpriseMaternityAsDecimal() {
+        return parseDecimal(enterpriseMaternity);
+    }
+
+    @JsonIgnore
+    public BigDecimal getEnterpriseHousingFundAsDecimal() {
+        return parseDecimal(enterpriseHousingFund);
+    }
+
+    @JsonIgnore
+    public BigDecimal getEnterpriseBigMedicalAsDecimal() {
+        return parseDecimal(enterpriseBigMedical);
+    }
+
+    @JsonIgnore
+    public BigDecimal getUnitTotalExpenseAsDecimal() {
+        return parseDecimal(unitTotalExpense);
+    }
+}
\ No newline at end of file
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/utils/SalaryStringConverter.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/utils/SalaryStringConverter.java
new file mode 100644
index 0000000..7a78c03
--- /dev/null
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/utils/SalaryStringConverter.java
@@ -0,0 +1,115 @@
+package com.ruoyi.oa.utils;
+
+import com.ruoyi.oa.domain.bo.OaSalaryDetailBo;
+import com.ruoyi.oa.domain.bo.OaSalaryMasterBo;
+import com.ruoyi.oa.domain.dto.BatchInsertSalaryStringDto;
+import com.ruoyi.oa.domain.dto.SalaryDetailStringDto;
+import cn.hutool.core.collection.CollUtil;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * 工资字符串数据转换工具类
+ *
+ * @author Joshi
+ * @date 2025-09-08
+ */
+public class SalaryStringConverter {
+
+    /**
+     * 将字符串格式的请求DTO转换为后端BO对象
+     *
+     * @param requestDto 字符串格式的请求DTO
+     * @return 后端BO对象
+     */
+    public static OaSalaryMasterBo convertToMasterBo(BatchInsertSalaryStringDto requestDto) {
+        if (requestDto == null) {
+            return null;
+        }
+
+        OaSalaryMasterBo masterBo = new OaSalaryMasterBo();
+        masterBo.setUnitName(requestDto.getUnitName());
+        masterBo.setSalaryPeriod(requestDto.getSalaryPeriod());
+        masterBo.setGmApproval(requestDto.getGmApproval());
+        masterBo.setFinanceAudit(requestDto.getFinanceAudit());
+        masterBo.setCashier(requestDto.getCashier());
+        masterBo.setDeptManager(requestDto.getDeptManager());
+        masterBo.setOperator(requestDto.getOperator());
+        masterBo.setRemark(requestDto.getRemark());
+
+        // 转换明细列表
+        if (CollUtil.isNotEmpty(requestDto.getSalaryDetailList())) {
+            List<OaSalaryDetailBo> detailBoList = requestDto.getSalaryDetailList().stream()
+                    .map(SalaryStringConverter::convertToDetailBo)
+                    .collect(Collectors.toList());
+            masterBo.setSalaryDetailList(detailBoList);
+        }
+
+        return masterBo;
+    }
+
+    /**
+     * 将字符串格式的明细DTO转换为后端明细BO对象
+     *
+     * @param stringDto 字符串格式的明细DTO
+     * @return 后端明细BO对象
+     */
+    public static OaSalaryDetailBo convertToDetailBo(SalaryDetailStringDto stringDto) {
+        if (stringDto == null) {
+            return null;
+        }
+
+        OaSalaryDetailBo detailBo = new OaSalaryDetailBo();
+        
+        // 基本信息
+        detailBo.setDetailId(stringDto.getDetailId());
+        detailBo.setMainId(stringDto.getMainId());
+        detailBo.setSerialNumber(stringDto.getSerialNumberAsLong());
+        detailBo.setDept(stringDto.getDept());
+        detailBo.setName(stringDto.getName());
+        detailBo.setRemark(stringDto.getRemark());
+
+        // 工资项目 - 使用转换方法
+        detailBo.setBasicSalary(stringDto.getBasicSalaryAsDecimal());
+        detailBo.setPostSalary(stringDto.getPostSalaryAsDecimal());
+        detailBo.setMealAllowance(stringDto.getMealAllowanceAsDecimal());
+        detailBo.setHousingAllowance(stringDto.getHousingAllowanceAsDecimal());
+        detailBo.setBusAllowance(stringDto.getBusAllowanceAsDecimal());
+        detailBo.setBusinessDaysOther(stringDto.getBusinessDaysOtherAsLong());
+        detailBo.setBusinessAllowance(stringDto.getBusinessAllowanceAsDecimal());
+        detailBo.setSocialSecurityAllowance(stringDto.getSocialSecurityAllowanceAsDecimal());
+
+        // 加班相关
+        detailBo.setOvertimeHours(stringDto.getOvertimeHoursAsDecimal());
+        detailBo.setOvertimeRate(stringDto.getOvertimeRateAsDecimal());
+        detailBo.setOvertimeTotal(stringDto.getOvertimeTotalAsDecimal());
+        detailBo.setBusinessDays(stringDto.getBusinessDaysAsLong());
+
+        // 扣款项目
+        detailBo.setLeaveDeduction(stringDto.getLeaveDeductionAsDecimal());
+        detailBo.setOtherDeduction(stringDto.getOtherDeductionAsDecimal());
+        detailBo.setGrossSalary(stringDto.getGrossSalaryAsDecimal());
+
+        // 个人缴费
+        detailBo.setPersonalPension(stringDto.getPersonalPensionAsDecimal());
+        detailBo.setPersonalMedical(stringDto.getPersonalMedicalAsDecimal());
+        detailBo.setPersonalUnemployment(stringDto.getPersonalUnemploymentAsDecimal());
+        detailBo.setPersonalBigMedical(stringDto.getPersonalBigMedicalAsDecimal());
+        detailBo.setPersonalHousingFund(stringDto.getPersonalHousingFundAsDecimal());
+        detailBo.setPersonalTax(stringDto.getPersonalTaxAsDecimal());
+        detailBo.setNetSalary(stringDto.getNetSalaryAsDecimal());
+
+        // 企业缴费
+        detailBo.setEnterprisePension(stringDto.getEnterprisePensionAsDecimal());
+        detailBo.setEnterpriseMedical(stringDto.getEnterpriseMedicalAsDecimal());
+        detailBo.setEnterpriseInjury(stringDto.getEnterpriseInjuryAsDecimal());
+        detailBo.setEnterpriseUnemployment(stringDto.getEnterpriseUnemploymentAsDecimal());
+        detailBo.setEnterpriseMaternity(stringDto.getEnterpriseMaternityAsDecimal());
+        detailBo.setEnterpriseHousingFund(stringDto.getEnterpriseHousingFundAsDecimal());
+        detailBo.setEnterpriseBigMedical(stringDto.getEnterpriseBigMedicalAsDecimal());
+        detailBo.setUnitTotalExpense(stringDto.getUnitTotalExpenseAsDecimal());
+
+        return detailBo;
+    }
+}
\ No newline at end of file