fix: fix some bug in finance pages

src/backend/personnel/models.py

@@ -5,7 +5,7 @@ from finance.models import Department
 
 class ProjectGroup(models.Model):
     """项目组模型"""
-    name = models.CharField(max_length=100, unique=True, verbose_name="项目组名称")
+    name = models.CharField(max_length=100, verbose_name="项目组名称")
     department = models.ForeignKey(Department, on_delete=models.CASCADE, verbose_name="所属部门")
     description = models.TextField(blank=True, null=True, verbose_name="项目组描述")
     created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
@@ -30,7 +30,6 @@ class Personnel(models.Model):
     name = models.CharField(max_length=50, verbose_name="姓名")
     student_id = models.CharField(
         max_length=20,
-        unique=True,
         verbose_name="学号",
         validators=[RegexValidator(
             regex=r'^\d{8,12}$',

src/backend/personnel/serializers.py

@@ -44,15 +44,6 @@ class PersonnelWriteSerializer(serializers.ModelSerializer):
             'is_active', 'phone', 'qq', 'email', 'description'
         ]
 
-    def validate_student_id(self, value):
-        """验证学号唯一性"""
-        if self.instance and self.instance.student_id == value:
-            return value
-
-        if Personnel.objects.filter(student_id=value).exists():
-            raise serializers.ValidationError("该学号已存在")
-        return value
-
     def validate_project_group(self, value):
         """验证项目组是否属于选定的部门"""
         if value and hasattr(self, 'initial_data'):

src/fronted/src/views/FinanceDashboard.vue

@@ -295,7 +295,7 @@ export default {
         );
 
         // 构建详细信息
-        let detailInfo = `<div style="max-width: 400px;">
+        let detailInfo = `<div>
           <h3 style="margin: 0 0 15px 0; color: #409eff;">${date} - ${seriesName}</h3>
           <p style="margin: 0 0 10px 0; font-size: 18px; font-weight: bold; color: ${seriesName === '收入' ? '#67c23a' : '#f56c6c'};">
             总计: ¥${value.toFixed(2)}
@@ -328,7 +328,7 @@ export default {
           showClose: true,
           closeOnClickModal: true,
           closeOnPressEscape: true
-        });
+        }).catch(() => { /* 关闭时不做操作，否则会炸 */ });
       });
 
       // 添加鼠标悬停时显示数据标签