处理可能的崩溃

galaxy/galaxy/Classes/Modules/Community(社区)/Activity(活动)/M/YHActivityModel.swift

@@ -48,11 +48,11 @@ class YHActivityModel: YHBaseModel {
                 let weekday = calendar.component(.weekday, from: date)
 
                 // 星期几的名称，根据weekday的值，1到7分别代表周一到周日
-                let weekdayName = ["周日", "周一", "周二", "周三", "周四", "周五", "周六"][weekday - 1]
-                
-                
-                //3.
-                beginTimeForUI = dateString + " " + weekdayName + " " + titmeString
+                if weekday > 0 && weekday < 8 {
+                    let weekdayName = ["周日", "周一", "周二", "周三", "周四", "周五", "周六"][weekday - 1]
+                    //3.
+                    beginTimeForUI = dateString + " " + weekdayName + " " + titmeString
+                }
             }
         }