diff --git a/ruoyi-bussiness/pom.xml b/ruoyi-bussiness/pom.xml
index 469fda5..fb4b41d 100644
--- a/ruoyi-bussiness/pom.xml
+++ b/ruoyi-bussiness/pom.xml
@@ -111,6 +111,11 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-websocket</artifactId>
         </dependency>
+        <!--localDate-->
+        <dependency>
+            <groupId>com.fasterxml.jackson.datatype</groupId>
+            <artifactId>jackson-datatype-jsr310</artifactId>
+        </dependency>
     </dependencies>
 
 </project>
\ No newline at end of file
diff --git a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/controller/cms/CmsAppUserController.java b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/controller/cms/CmsAppUserController.java
index a08424c..77775bc 100644
--- a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/controller/cms/CmsAppUserController.java
+++ b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/controller/cms/CmsAppUserController.java
@@ -4,6 +4,7 @@ import java.util.List;
 import javax.servlet.http.HttpServletResponse;
 
 import com.ruoyi.cms.domain.vo.AppUserLky;
+import com.ruoyi.cms.util.DateValidateUtil;
 import com.ruoyi.cms.util.RoleUtils;
 import com.ruoyi.common.annotation.BussinessLog;
 import com.ruoyi.common.core.domain.entity.AppUserShow;
@@ -194,6 +195,16 @@ public class CmsAppUserController extends BaseController
     @GetMapping("/userApplyList")
     public TableDataInfo userApplyList(AppUser appUser)
     {
+        String birthDateError = DateValidateUtil.validateBirthDate(appUser.getBirthDate());
+
+        if (birthDateError != null) {
+            TableDataInfo errorResult = new TableDataInfo();
+            errorResult.setCode(400);
+            errorResult.setMsg(birthDateError);
+            errorResult.setRows(null);
+            errorResult.setTotal(0);
+            return errorResult;
+        }
         startPage();
         List<AppUserShow> list = appUserService.selectUserApplyList(appUser);
         return getDataTable(list);
diff --git a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/util/DateValidateUtil.java b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/util/DateValidateUtil.java
new file mode 100644
index 0000000..6d9e03d
--- /dev/null
+++ b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/util/DateValidateUtil.java
@@ -0,0 +1,39 @@
+package com.ruoyi.cms.util;
+
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeParseException;
+
+/**
+ * 日期校验工具类
+ */
+public class DateValidateUtil {
+
+    // 私有构造器：禁止实例化工具类
+    private DateValidateUtil() {}
+
+    // 生日格式：yyyy-MM-dd（静态常量，统一维护）
+    private static final DateTimeFormatter BIRTH_DATE_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd");
+    private static final String BIRTH_DATE_ERROR_MSG = "生日格式错误！不为空时必须填写 yyyy-MM-dd 格式（如 2000-01-01）";
+
+    /**
+     * 静态方法：校验生日格式（可为空，非空时需符合 yyyy-MM-dd）
+     * @param birthDate 待校验的生日（LocalDate 类型）
+     * @return 校验通过返回 null；失败返回错误提示信息
+     */
+    public static String validateBirthDate(LocalDate birthDate) {
+        // 空值直接放行，返回 null 表示校验通过
+        if (birthDate == null) {
+            return null;
+        }
+
+        try {
+            // 非空时校验格式：LocalDate 格式化需符合 yyyy-MM-dd
+            BIRTH_DATE_FORMATTER.format(birthDate);
+            return null; // 格式正确，返回 null 表示校验通过
+        } catch (DateTimeParseException e) {
+            // 格式错误，返回具体提示信息
+            return BIRTH_DATE_ERROR_MSG;
+        }
+    }
+}
\ No newline at end of file
diff --git a/ruoyi-bussiness/src/main/resources/mapper/app/AppUserMapper.xml b/ruoyi-bussiness/src/main/resources/mapper/app/AppUserMapper.xml
index ab83a19..7a514bb 100644
--- a/ruoyi-bussiness/src/main/resources/mapper/app/AppUserMapper.xml
+++ b/ruoyi-bussiness/src/main/resources/mapper/app/AppUserMapper.xml
@@ -133,7 +133,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         INNER join company e on c.company_id=e.company_id and e.del_flag='0'
         <where>
             <if test="name != null  and name != ''"> and a.name like concat('%', cast(#{name, jdbcType=VARCHAR} as varchar), '%')</if>
-            <if test="birthDate != null "> and a.birth_date = #{birthDate}</if>
+            <if test="birthDate != null "> and get_birth_date_from_id_card(a.id_card) = #{birthDate}</if>
             <if test="education != null  and education != ''"> and a.education = #{education}</if>
             <if test="politicalAffiliation != null  and politicalAffiliation != ''"> and a.political_affiliation = #{politicalAffiliation}</if>
             <if test="phone != null  and phone != ''"> and a.phone = #{phone}</if>
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/core/domain/entity/AppUser.java b/ruoyi-common/src/main/java/com/ruoyi/common/core/domain/entity/AppUser.java
index 4e6e532..f54d5d8 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/core/domain/entity/AppUser.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/core/domain/entity/AppUser.java
@@ -14,6 +14,8 @@ import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import com.ruoyi.common.core.domain.BaseEntity;
+import org.springframework.format.annotation.DateTimeFormat;
+
 /**
  * APP用户对象 app_user
  * @author lishundong
@@ -43,6 +45,7 @@ public class AppUser extends BaseEntity
     @ApiModelProperty("用户性别（0男 1女）对应字典sex")
     private String sex;
 
+    @DateTimeFormat(pattern = "yyyy-MM-dd")
     @JsonFormat(pattern = "yyyy-MM-dd")
     @Excel(name = "生日", width = 30, dateFormat = "yyyy-MM-dd")
     @ApiModelProperty("生日")