优化功能，通知功能，任务功能

apps/system/entity/notice.go

@@ -0,0 +1,14 @@
+package entity
+
+import "pandax/base/model"
+
+type SysNotice struct {
+	NoticeId   int64  `json:"noticeId" gorm:"primary_key;AUTO_INCREMENT"`
+	Title      string `json:"title" gorm:"type:varchar(128);comment:标题"`
+	Content    string `json:"content" gorm:"type:text;comment:标题"`
+	NoticeType string `json:"notice_type" gorm:"type:varchar(1);comment:通知类型"`
+	DeptId     int64  `json:"deptId" gorm:"type:int(11);comment:部门Id,部门及子部门"`
+
+	DeptIds []int64 `json:"deptIds" gorm:"-"`
+	model.BaseModel
+}