diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/controller/ScoreController.class b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/controller/ScoreController.class
index 638701c..6687b95 100644
Binary files a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/controller/ScoreController.class and b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/controller/ScoreController.class differ
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/pojo/Score.class b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/pojo/Score.class
index e48a648..d74e5fa 100644
Binary files a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/pojo/Score.class and b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/cyou/chenx221/pojo/Score.class differ
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/dashboard.jsp b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/dashboard.jsp
index 0cc29af..0ddc329 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/dashboard.jsp
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/dashboard.jsp
@@ -54,8 +54,6 @@
                             <li>
                                 <hr class="dropdown-divider" />
                             </li>
-                            <li><a class="dropdown-item" href="course/all">课程查看</a></li>
-                            <li><a class="dropdown-item" href="course/infomodv2">课程管理</a></li>
                             <li><a class="dropdown-item" href="#">学生选课管理</a></li>
                         </ul>
                     </li>
@@ -75,8 +73,8 @@
                             课程管理
                         </a>
                         <ul class="dropdown-menu" aria-labelledby="navbarDropdown3">
-                            <li><a class="dropdown-item" href="#">课程信息管理</a></li>
-                            <li><a class="dropdown-item" href="#">课程安排管理</a></li>
+                            <li><a class="dropdown-item" href="course/all">课程查看</a></li>
+                            <li><a class="dropdown-item" href="course/infomodv2">课程管理</a></li>
                         </ul>
                     </li>
                     <li class="nav-item dropdown">
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/scoreopv2.jsp b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/scoreopv2.jsp
index 0107679..79c44b9 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/scoreopv2.jsp
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/scoreopv2.jsp
@@ -203,7 +203,7 @@
                                             <div class="col-12">
                                                 <div class="form-outline">
                                                     <input type="number" id="typeText2" class="form-control"
-                                                           name="scoreid"/>
+                                                           name="studentid"/>
                                                     <label class="form-label" for="typeText2">学号</label>
                                                 </div>
                                             </div>
@@ -241,7 +241,8 @@
                                                     <output id="score_min_value"></output>
                                                 </label>
                                                 <div class="range">
-                                                    <input type="range" class="form-range" id="customRange1" name="min" value="0" min="0" max="100"/>
+                                                    <input type="range" class="form-range" id="customRange1" name="min"
+                                                           value="0" min="0" max="100" disabled/>
                                                 </div>
                                             </div>
                                             <div class="col-12">
@@ -249,10 +250,20 @@
                                                     <output id="score_max_value"></output>
                                                 </label>
                                                 <div class="range">
-                                                    <input type="range" class="form-range" id="customRange2" name="max" value="100" min="0" max="100"/>
+                                                    <input type="range" class="form-range" id="customRange2" name="max"
+                                                           value="100" min="0" max="100" disabled/>
                                                 </div>
                                             </div>
                                         </div>
+                                        <div class="row mb-2">
+                                            <div class="col-12">
+                                                <div class="form-check">
+                                                    <input class="form-check-input" type="checkbox" value="" id="range_enabler" name="range_enabler" />
+                                                    <label class="form-check-label" for="range_enabler">设定成绩范围</label>
+                                                </div>
+                                            </div>
+                                        </div>
+
                                         <div class="row mb-2 mt-4">
                                             <div class="col-lg-6 text-center">
                                                 <button type="submit" class="btn btn-primary">查询
@@ -440,7 +451,7 @@
         </c:if>
     });
 </script>
-<script type="text/javascript" src="${pageContext.request.contextPath}/resources/js/range-limit.js"></script>
+<script type="text/javascript" src="${pageContext.request.contextPath}/resources/js/multi_function_v1.js"></script>
 </body>
 
 </html>
\ No newline at end of file
diff --git a/project2/web/resources/js/range-limit.js b/project2/out/artifacts/project2_war_exploded/resources/js/multi_function_v1.js
similarity index 56%
rename from project2/web/resources/js/range-limit.js
rename to project2/out/artifacts/project2_war_exploded/resources/js/multi_function_v1.js
index 28b0545..823cd60 100644
--- a/project2/web/resources/js/range-limit.js
+++ b/project2/out/artifacts/project2_war_exploded/resources/js/multi_function_v1.js
@@ -10,3 +10,16 @@ input_max.addEventListener("input", (event) => {
     value_max.textContent = event.target.value
     input_min.setAttribute("max", event.target.value)
 })
+
+const range_enabler = document.querySelector("#range_enabler")
+range_enabler.addEventListener("click", (event) => {
+    //if range_enabler is checked, then enable the range
+    //if range_enabler is unchecked, then disable the range
+    if (range_enabler.checked) {
+        input_min.disabled = false
+        input_max.disabled = false
+    } else {
+        input_min.disabled = true
+        input_max.disabled = true
+    }
+})
diff --git a/project2/src/main/java/cyou/chenx221/controller/ScoreController.java b/project2/src/main/java/cyou/chenx221/controller/ScoreController.java
index 7e4bc67..5e24aea 100644
--- a/project2/src/main/java/cyou/chenx221/controller/ScoreController.java
+++ b/project2/src/main/java/cyou/chenx221/controller/ScoreController.java
@@ -2,11 +2,14 @@ package cyou.chenx221.controller;
 
 import cyou.chenx221.helper.UsernameHelper;
 import cyou.chenx221.pojo.Course;
+import cyou.chenx221.pojo.Score;
+import cyou.chenx221.pojo.Student;
 import cyou.chenx221.service.ScoreService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 
@@ -23,7 +26,7 @@ public class ScoreController {
     }
 
     @GetMapping("/all")
-    public String getAllScore(Model model){
+    public String getAllScore(Model model) {
         String username = new UsernameHelper().getCurrentUsername();
         if (username != null) {
             model.addAttribute("username", username);
@@ -46,4 +49,43 @@ public class ScoreController {
 
         return "scoreopv2";
     }
+
+//    @PostMapping(value = "/query", produces = "application/x-www-form-urlencoded;charset=UTF-8")//学生信息查询（带条件）
+//    public String getQueryCourses(@RequestParam(value = "name", defaultValue = "null", required = false) String name,//学生姓名
+//                                  @RequestParam(value = "coursename", defaultValue = "null", required = false) String course_name,//课程名
+//                                  @RequestParam(value = "scoreid", defaultValue = "-1", required = false) int score_id,//成绩ID
+//                                  @RequestParam(value = "studentid", defaultValue = "-1", required = false) int student_id,//学号
+//                                  @RequestParam(value = "courseid", defaultValue = "-1", required = false) int course_id,//课程ID
+//                                  @RequestParam(value = "min", required = false) int min,//最低分
+//                                  @RequestParam(value = "max", required = false) int max,//最高分
+//                                  @RequestParam(value = "range_enabler", defaultValue = "false", required = false) boolean range_enabler,//是否启用分数范围
+//                                  Model model) {
+//
+//        //username helper start
+//        String username = new UsernameHelper().getCurrentUsername();
+//        if (username != null) {
+//            model.addAttribute("username", username);
+//        }
+//        //username helper end
+//
+//        if (name.equals("null")) {
+//            name = null;
+//        }
+//        if (course_name.equals("null")) {
+//            course_name = null;
+//        }
+//        if (score_id == -1 && student_id == -1 && course_id == -1 && !range_enabler) {
+//            model.addAttribute("errorMessage", "查询条件不可全为空");
+//            return "redirect:/score/infomodv2";
+//        }
+//        List<Score> scores;
+//        Score score;
+//
+//        score = new Score((score_id == -1? null:score_id), ((student_id==-1&&name==null)==null?null:(new Student(student_id,name))), null, null, min, max);
+//        course = new Course((id == -1 ? null : id), name, description);
+////        System.out.println("id:" + id + " name:" + name + " description:" + description);
+//        courses = courseService.getQueryCourses(course);
+//        model.addAttribute("courses", courses);
+//        return "courseQueryResult";
+//    }
 }
diff --git a/project2/src/main/java/cyou/chenx221/pojo/Score.java b/project2/src/main/java/cyou/chenx221/pojo/Score.java
index 4950975..5637bb6 100644
--- a/project2/src/main/java/cyou/chenx221/pojo/Score.java
+++ b/project2/src/main/java/cyou/chenx221/pojo/Score.java
@@ -5,6 +5,8 @@ public class Score {
     private Student student; //。。。
     private Course course; //。。。
     private Integer score; //成绩
+    private Integer min; //最小成绩
+    private Integer max; //最大成绩
 
     public Score(Integer scoreID, Integer score) {
         ScoreID = scoreID;
@@ -21,6 +23,31 @@ public class Score {
         this.score = score;
     }
 
+    public Score(Integer scoreID, Student student, Course course, Integer score, Integer min, Integer max) {
+        ScoreID = scoreID;
+        this.student = student;
+        this.course = course;
+        this.score = score;
+        this.min = min;
+        this.max = max;
+    }
+
+    public Integer getMin() {
+        return min;
+    }
+
+    public void setMin(Integer min) {
+        this.min = min;
+    }
+
+    public Integer getMax() {
+        return max;
+    }
+
+    public void setMax(Integer max) {
+        this.max = max;
+    }
+
     public Integer getScoreID() {
         return ScoreID;
     }
diff --git a/project2/web/WEB-INF/views/dashboard.jsp b/project2/web/WEB-INF/views/dashboard.jsp
index 0cc29af..0ddc329 100644
--- a/project2/web/WEB-INF/views/dashboard.jsp
+++ b/project2/web/WEB-INF/views/dashboard.jsp
@@ -54,8 +54,6 @@
                             <li>
                                 <hr class="dropdown-divider" />
                             </li>
-                            <li><a class="dropdown-item" href="course/all">课程查看</a></li>
-                            <li><a class="dropdown-item" href="course/infomodv2">课程管理</a></li>
                             <li><a class="dropdown-item" href="#">学生选课管理</a></li>
                         </ul>
                     </li>
@@ -75,8 +73,8 @@
                             课程管理
                         </a>
                         <ul class="dropdown-menu" aria-labelledby="navbarDropdown3">
-                            <li><a class="dropdown-item" href="#">课程信息管理</a></li>
-                            <li><a class="dropdown-item" href="#">课程安排管理</a></li>
+                            <li><a class="dropdown-item" href="course/all">课程查看</a></li>
+                            <li><a class="dropdown-item" href="course/infomodv2">课程管理</a></li>
                         </ul>
                     </li>
                     <li class="nav-item dropdown">
diff --git a/project2/web/WEB-INF/views/scoreopv2.jsp b/project2/web/WEB-INF/views/scoreopv2.jsp
index 0107679..79c44b9 100644
--- a/project2/web/WEB-INF/views/scoreopv2.jsp
+++ b/project2/web/WEB-INF/views/scoreopv2.jsp
@@ -203,7 +203,7 @@
                                             <div class="col-12">
                                                 <div class="form-outline">
                                                     <input type="number" id="typeText2" class="form-control"
-                                                           name="scoreid"/>
+                                                           name="studentid"/>
                                                     <label class="form-label" for="typeText2">学号</label>
                                                 </div>
                                             </div>
@@ -241,7 +241,8 @@
                                                     <output id="score_min_value"></output>
                                                 </label>
                                                 <div class="range">
-                                                    <input type="range" class="form-range" id="customRange1" name="min" value="0" min="0" max="100"/>
+                                                    <input type="range" class="form-range" id="customRange1" name="min"
+                                                           value="0" min="0" max="100" disabled/>
                                                 </div>
                                             </div>
                                             <div class="col-12">
@@ -249,10 +250,20 @@
                                                     <output id="score_max_value"></output>
                                                 </label>
                                                 <div class="range">
-                                                    <input type="range" class="form-range" id="customRange2" name="max" value="100" min="0" max="100"/>
+                                                    <input type="range" class="form-range" id="customRange2" name="max"
+                                                           value="100" min="0" max="100" disabled/>
                                                 </div>
                                             </div>
                                         </div>
+                                        <div class="row mb-2">
+                                            <div class="col-12">
+                                                <div class="form-check">
+                                                    <input class="form-check-input" type="checkbox" value="" id="range_enabler" name="range_enabler" />
+                                                    <label class="form-check-label" for="range_enabler">设定成绩范围</label>
+                                                </div>
+                                            </div>
+                                        </div>
+
                                         <div class="row mb-2 mt-4">
                                             <div class="col-lg-6 text-center">
                                                 <button type="submit" class="btn btn-primary">查询
@@ -440,7 +451,7 @@
         </c:if>
     });
 </script>
-<script type="text/javascript" src="${pageContext.request.contextPath}/resources/js/range-limit.js"></script>
+<script type="text/javascript" src="${pageContext.request.contextPath}/resources/js/multi_function_v1.js"></script>
 </body>
 
 </html>
\ No newline at end of file
diff --git a/project2/out/artifacts/project2_war_exploded/resources/js/range-limit.js b/project2/web/resources/js/multi_function_v1.js
similarity index 55%
rename from project2/out/artifacts/project2_war_exploded/resources/js/range-limit.js
rename to project2/web/resources/js/multi_function_v1.js
index 9fef4f2..823cd60 100644
--- a/project2/out/artifacts/project2_war_exploded/resources/js/range-limit.js
+++ b/project2/web/resources/js/multi_function_v1.js
@@ -9,4 +9,17 @@ input_min.addEventListener("input", (event) => {
 input_max.addEventListener("input", (event) => {
     value_max.textContent = event.target.value
     input_min.setAttribute("max", event.target.value)
-})
\ No newline at end of file
+})
+
+const range_enabler = document.querySelector("#range_enabler")
+range_enabler.addEventListener("click", (event) => {
+    //if range_enabler is checked, then enable the range
+    //if range_enabler is unchecked, then disable the range
+    if (range_enabler.checked) {
+        input_min.disabled = false
+        input_max.disabled = false
+    } else {
+        input_min.disabled = true
+        input_max.disabled = true
+    }
+})