diff --git a/worldsrv/player.go b/worldsrv/player.go
index 28e3644..4973b60 100644
--- a/worldsrv/player.go
+++ b/worldsrv/player.go
@@ -176,6 +176,14 @@ func (this *Player) init() bool {
 		this.GuideData = make(map[int32]int32)
 	}
 	this.InitRolesAndPets()
+	// 数据修复
+	if this.PlayerData != nil && this.PlayerData.WelfData != nil {
+		for k, v := range this.PlayerData.WelfData.Task {
+			if v == nil {
+				delete(this.PlayerData.WelfData.Task, k)
+			}
+		}
+	}
 	return true
 }
 
diff --git a/worldsrv/welfmgr.go b/worldsrv/welfmgr.go
index 3f34f50..593a925 100644
--- a/worldsrv/welfmgr.go
+++ b/worldsrv/welfmgr.go
@@ -2228,7 +2228,7 @@ func (this *WelfareMgr) ClearActivityNianData(p *Player) {
 		for id, _ := range p.WelfData.Task {
 			data := srvdata.PBDB_TaskMgr.GetData(id)
 			if data.ActivityType == common.TaskActivityTypeNianEveryDay || data.ActivityType == common.TaskActivityTypeNian {
-				p.WelfData.Task[id] = nil
+				delete(p.WelfData.Task, id)
 			}
 		}
 	}