diff --git a/app-dm/src/TeacherPages/classlistpages/classId.jsx b/app-dm/src/TeacherPages/classlistpages/classId.jsx
index 682c15d..e3969d2 100644
--- a/app-dm/src/TeacherPages/classlistpages/classId.jsx
+++ b/app-dm/src/TeacherPages/classlistpages/classId.jsx
@@ -18,6 +18,8 @@
         const [name,setname]=useState('')
 
         const click=()=>{
+            console.log(selectedSubject);
+            console.log(ID);
             console.log(studentScores);
         }
         const teacher_ID=localStorage.getItem('islogin')
@@ -57,10 +59,15 @@
                       name: studentInfo[3], // 假设姓名总是位于数组的第4个位置
                       score: studentInfo[5], // 假设分数总是位于数组的第6个位置
                     });
+                    // 如果 scores 数组已经有三个或更多项目，则移除数组的第一个项目
+                    if (scores.length > 3) {
+                      scores.shift();
+                    }
                   }
                 }
               }
-                setStudentScores(scores);
+          
+              setStudentScores(scores);
             });
           }, [selectedSubject]);
 
@@ -85,6 +92,7 @@
                     })
                     setTestScore(Find_details_Src.data['TestScore'])
                     setStudentScores([])
+                    setSelectedSubject()
                 }catch{
                     alert('Find_details')
                 }