diff --git a/src/main/java/com/youlai/system/common/util/DateUtils.java b/src/main/java/com/youlai/system/common/util/DateUtils.java
index 4ed7adfd..2a685e84 100644
--- a/src/main/java/com/youlai/system/common/util/DateUtils.java
+++ b/src/main/java/com/youlai/system/common/util/DateUtils.java
@@ -2,7 +2,13 @@
 package com.youlai.system.common.util;
 
 import cn.hutool.core.collection.CollectionUtil;
+import cn.hutool.core.date.DateTime;
+import cn.hutool.core.date.DateUtil;
+import cn.hutool.core.util.ReflectUtil;
+import cn.hutool.core.util.StrUtil;
+import org.springframework.format.annotation.DateTimeFormat;
 
+import java.lang.reflect.Field;
 import java.util.List;
 
 /**
@@ -15,18 +21,32 @@ public class DateUtils {
 
 
     /**
-     * 格式化日期范围
+     * 将日期格式化为数据库日期格式 (yyyy-MM-dd HH:mm:ss) 并更新对象中指定的起始时间字段和结束时间字段。
      *
-     * @param createTimeRange
-     * @return
+     * @param obj               要处理的对象
+     * @param startTimeFieldName 起始时间字段名
+     * @param endTimeFieldName   结束时间字段名
      */
-    public static List<String> formatDateRange(List<String> createTimeRange) {
-        if (CollectionUtil.isNotEmpty(createTimeRange) && createTimeRange.size() == 2) {
-            createTimeRange.set(0, createTimeRange.get(0) + " 00:00:00");
-            createTimeRange.set(1, createTimeRange.get(1) + " 23:59:59");
-            return createTimeRange;
-        } else {
-            return null;
+    public static void formatDateTimeForDatabase(Object obj, String startTimeFieldName, String endTimeFieldName) {
+        Field startTimeField = ReflectUtil.getField(obj.getClass(), startTimeFieldName);
+        Field endTimeField = ReflectUtil.getField(obj.getClass(), endTimeFieldName);
+
+        if (startTimeField != null) {
+            processDateTimeField(obj, startTimeField, startTimeFieldName, "yyyy-MM-dd 00:00:00");
+        }
+
+        if (endTimeField != null) {
+            processDateTimeField(obj, endTimeField, endTimeFieldName, "yyyy-MM-dd 23:59:59");
+        }
+    }
+
+    private static void processDateTimeField(Object obj, Field field, String fieldName, String targetPattern) {
+        Object fieldValue = ReflectUtil.getFieldValue(obj, fieldName);
+        if (fieldValue != null) {
+            String pattern = field.isAnnotationPresent(DateTimeFormat.class) ?
+                    field.getAnnotation(DateTimeFormat.class).pattern() : "yyyy-MM-dd";
+            DateTime dateTime = DateUtil.parse(StrUtil.toString(fieldValue), pattern);
+            ReflectUtil.setFieldValue(obj, fieldName, dateTime.toString(targetPattern));
         }
     }
 }
diff --git a/src/main/java/com/youlai/system/model/query/UserPageQuery.java b/src/main/java/com/youlai/system/model/query/UserPageQuery.java
index f275ef7f..5bf78a33 100644
--- a/src/main/java/com/youlai/system/model/query/UserPageQuery.java
+++ b/src/main/java/com/youlai/system/model/query/UserPageQuery.java
@@ -3,7 +3,9 @@ package com.youlai.system.model.query;
 import com.youlai.system.common.base.BasePageQuery;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import org.springframework.format.annotation.DateTimeFormat;
 
+import java.util.Date;
 import java.util.List;
 
 /**
@@ -25,7 +27,11 @@ public class UserPageQuery extends BasePageQuery {
     @Schema(description="部门ID")
     private Long deptId;
 
-    @Schema(description="创建时间范围")
-    private List<String> createTimeRange;
+    @Schema(description="创建时间-开始时间")
+    @DateTimeFormat(pattern = "yyyy-MM-dd")
+    private String startTime;
 
+    @Schema(description="创建时间-结束时间")
+    @DateTimeFormat(pattern = "yyyy-MM-dd")
+    private String endTime;
 }
diff --git a/src/main/java/com/youlai/system/service/impl/SysUserServiceImpl.java b/src/main/java/com/youlai/system/service/impl/SysUserServiceImpl.java
index e2341887..cef68c8a 100644
--- a/src/main/java/com/youlai/system/service/impl/SysUserServiceImpl.java
+++ b/src/main/java/com/youlai/system/service/impl/SysUserServiceImpl.java
@@ -74,9 +74,8 @@ public class SysUserServiceImpl extends ServiceImpl<SysUserMapper, SysUser> impl
         int pageSize = queryParams.getPageSize();
         Page<UserBO> page = new Page<>(pageNum, pageSize);
 
-        // 时间范围参数处理
-        List<String> createTimeRange =  DateUtils.formatDateRange(queryParams.getCreateTimeRange());
-        queryParams.setCreateTimeRange(createTimeRange);
+        // 日期格式化为数据库日期格式，避免日期比较使用函数导致索引失效
+        DateUtils.formatDateTimeForDatabase(queryParams, "startTime", "endTime");
 
         // 查询数据
         Page<UserBO> userPage = this.baseMapper.getUserPage(page, queryParams);
diff --git a/src/main/resources/mapper/SysUserMapper.xml b/src/main/resources/mapper/SysUserMapper.xml
index d1bdee0d..df1b698b 100644
--- a/src/main/resources/mapper/SysUserMapper.xml
+++ b/src/main/resources/mapper/SysUserMapper.xml
@@ -37,16 +37,12 @@
             <if test='queryParams.deptId!=null'>
                 AND concat(',',concat(d.tree_path,',',d.id),',') like concat('%,',#{queryParams.deptId},',%')
             </if>
-
-            <if test="queryParams.createTimeRange != null and queryParams.createTimeRange.size() == 2 ">
-                <if test="queryParams.createTimeRange[0] != null and queryParams.createTimeRange[0].trim() neq ''">
-                    AND u.create_time &gt;= #{queryParams.createTimeRange[0]}
-                </if>
-                <if test="queryParams.createTimeRange[1] != null and queryParams.createTimeRange[1].trim() neq ''">
-                    AND u.create_time &lt;= #{queryParams.createTimeRange[1]}
-                </if>
+            <if test="queryParams.startTime != null">
+                AND u.create_time &gt;= #{queryParams.startTime}
+            </if>
+            <if test="queryParams.endTime != null">
+                AND u.create_time &lt;= #{queryParams.endTime}
             </if>
-
 
         </where>
         GROUP BY u.id