diff --git a/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/utils/WrapperUtils.java b/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/utils/WrapperUtils.java
index 8446afd..2c870d7 100644
--- a/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/utils/WrapperUtils.java
+++ b/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/utils/WrapperUtils.java
@@ -20,7 +20,7 @@ public class WrapperUtils {
      * - 一般的参数会与直接使用{@link QueryWrapper#allEq(Map, boolean)}相同
      * <p>
      * - 对于时间类（{@link LocalDateTime}或{@link LocalDate}或{@link LocalTime}），
-     * 会按照key的后缀处理，若为Start则处理为column >= key，End则处理为column <= key
+     * 会按照key的后缀处理，若为Start则处理为column >= value，End则处理为column <= value
      *
      * @param null2IsNull 若为真，将value为null的值在SQL中生成为IS NULL；否则值为null的参数不会在SQL中生成
      */
@@ -37,7 +37,7 @@ public class WrapperUtils {
                 if (key.endsWith("Start")) {
                     wrapper.ge(key.substring(0, key.length() - 5), value);
                 } else if (key.endsWith("End")) {
-                    wrapper.ge(key.substring(key.length() - 3), value);
+                    wrapper.le(key.substring(0, key.length() - 3), value);
                 }
                 return;
             }
diff --git a/src/test/java/cn/edu/hfut/rmdjzz/projectmanagement/MybatisPlusTests.java b/src/test/java/cn/edu/hfut/rmdjzz/projectmanagement/MybatisPlusTests.java
index 2cc51ea..96ff1ba 100644
--- a/src/test/java/cn/edu/hfut/rmdjzz/projectmanagement/MybatisPlusTests.java
+++ b/src/test/java/cn/edu/hfut/rmdjzz/projectmanagement/MybatisPlusTests.java
@@ -2,14 +2,17 @@ package cn.edu.hfut.rmdjzz.projectmanagement;
 
 import cn.edu.hfut.rmdjzz.projectmanagement.entity.Staff;
 import cn.edu.hfut.rmdjzz.projectmanagement.service.IStaffService;
-import cn.edu.hfut.rmdjzz.projectmanagement.utils.response.ResponseMap;
-import com.baomidou.mybatisplus.core.toolkit.Wrappers;
+import cn.edu.hfut.rmdjzz.projectmanagement.utils.WrapperUtils;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.SneakyThrows;
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 
 import javax.annotation.Resource;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -25,19 +28,21 @@ public class MybatisPlusTests {
     @Resource
     private ObjectMapper objectMapper;
 
-    @SneakyThrows
     @Test
     public void test() {
-        System.out.println(objectMapper.writeValueAsString(
-                ResponseMap.ofSuccess("ok",
-                        staffService.getOne(Wrappers.<Staff>query().last("limit 1"))
-                )
-        ));
-        Map<Object, Object> map = new HashMap<>();
-        map.put("123", "456");
-        map.put(894, 789);
-        System.out.println(objectMapper.writeValueAsString(
-                ResponseMap.ofSuccess("ok", map)
-        ));
+        staffService.page(new Page<Staff>(2, 1));
+    }
+
+    @SneakyThrows
+    @Test
+    public void wrapperTest() {
+        Map<String, Object> map = new HashMap<>();
+        map.put("time", "aaa");
+        map.put("stimeStart", LocalDateTime.now());
+        map.put("null", null);
+        map.put("etimeEnd", LocalDate.now());
+        QueryWrapper<String> wrapper = WrapperUtils.<String>allEqAndTimeIntervalQueryWrapper(map, true);
+        System.out.println(wrapper.getCustomSqlSegment());
+        System.out.println(objectMapper.writeValueAsString(wrapper.getParamNameValuePairs()));
     }
 }