feat：完善活动信息

app/api/enterprise/model/activity_apply.go

@@ -0,0 +1,11 @@
+package model
+
+import "SciencesServer/app/common/model"
+
+type ActivityApply struct {
+	*model.ActivityApply
+}
+
+func NewActivityApply() *ActivityApply {
+	return &ActivityApply{model.NewActivityApply()}
+}