fix: 修复考试人数字段名称不一致的问题

src/views/safetyExam/examManagement/index.vue

@@ -141,7 +141,7 @@
             align: 'center',
             minWidth: 100,
             formatter: (row) => {
-              return row.exam_person_count || 0;
+              return row.examPersonCount || 0;
             }
           },
           {