diff --git a/bin/json/game_mail.json b/bin/json/game_mail.json
index 6d7d7fb38..95f4ed8fc 100644
--- a/bin/json/game_mail.json
+++ b/bin/json/game_mail.json
@@ -515,5 +515,27 @@
     },
     "reword": [],
     "duration": 720
+  },
+  {
+    "id": "PlunderRankingReward",
+    "title": {
+      "key": "mail_mail_title_24",
+      "text": "海岛排行奖励"
+    },
+    "postmark": "yj_icon_yc_mfjl",
+    "recipient": {
+      "key": "mail_mail_recipient_24",
+      "text": "亲爱的玩家："
+    },
+    "content": {
+      "key": "mail_mail_content_8",
+      "text": "获得第{0}名，奖励请查收。"
+    },
+    "sender": {
+      "key": "mail_mail_sender_24",
+      "text": "系统"
+    },
+    "reword": [],
+    "duration": 720
   }
 ]
\ No newline at end of file
diff --git a/modules/plunder/api_getlist.go b/modules/plunder/api_getlist.go
index 55acb6ae1..4b9d2ccf7 100644
--- a/modules/plunder/api_getlist.go
+++ b/modules/plunder/api_getlist.go
@@ -171,7 +171,9 @@ func (this *apiComp) sendRankReward(data map[string]int32) (err error) {
 		var sz []string
 		if true {
 			for i := v.ScoreLow; i <= v.ScoreUp; i++ {
-				sz = append(sz, uid[i-1])
+				if int32(len(uid)) > i-1 { // 越界校验
+					sz = append(sz, uid[i-1])
+				}
 			}
 
 		}
@@ -183,7 +185,7 @@ func (this *apiComp) sendRankReward(data map[string]int32) (err error) {
 			})
 		}
 		this.module.mail.SendNewMail(&pb.DBMailData{
-			Cid:        "XXLRankingReward",
+			Cid:        "PlunderRankingReward",
 			Param:      []string{fmt.Sprintf("%d-%d", v.ScoreLow, v.ScoreUp)}, // 参数 分数下线和分数上限之间
 			CreateTime: uint64(configure.Now().Unix()),
 			Items:      reward,