diff --git a/src/main/java/com/hiczp/bilibili/api/ServerErrorCode.java b/src/main/java/com/hiczp/bilibili/api/ServerErrorCode.java
index 47980c2..7e0a944 100644
--- a/src/main/java/com/hiczp/bilibili/api/ServerErrorCode.java
+++ b/src/main/java/com/hiczp/bilibili/api/ServerErrorCode.java
@@ -76,6 +76,16 @@ public class ServerErrorCode {
          * "每天最多能兑换 1 个"
          */
         public static final int FORBIDDEN = 403;
+        /**
+         * 送礼物时房间号与用户号不匹配
+         * "只能送给主播(591)"
+         */
+        public static final int ONLY_CAN_SEND_TO_HOST = 200012;
+        /**
+         * 赠送一个不存在的礼物
+         * "获取包裹数据失败"
+         */
+        public static final int GET_BAG_DATA_FAIL = 200019;
         /**
          * "请登录"
          */
@@ -85,6 +95,7 @@ public class ServerErrorCode {
          */
         public static final int NO_LOGIN = -101;
         /**
+         * 搜索时, 关键字字数过少或过多
          * "关键字不能小于2个字节或大于50字节"
          */
         public static final int KEYWORD_CAN_NOT_LESS_THAN_2_BYTES_OR_GREATER_THAN_50_BYTES = -609;
diff --git a/src/main/java/com/hiczp/bilibili/api/live/LiveService.java b/src/main/java/com/hiczp/bilibili/api/live/LiveService.java
index f3293f2..216e525 100644
--- a/src/main/java/com/hiczp/bilibili/api/live/LiveService.java
+++ b/src/main/java/com/hiczp/bilibili/api/live/LiveService.java
@@ -246,6 +246,8 @@ public interface LiveService {
      * @param timeStamp  时间戳
      * @param bagId      礼物在自己背包里的 ID
      * @param random     随机数
+     * @return roomUserId 与 roomId 不匹配时返回 200012
+     * @return bagId 错误时(背包里没有这个礼物)返回 200019
      */
     @POST("AppBag/send")
     @FormUrlEncoded
diff --git a/src/main/java/com/hiczp/bilibili/api/live/entity/SendGiftResponseEntity.java b/src/main/java/com/hiczp/bilibili/api/live/entity/SendGiftResponseEntity.java
index 37a6617..8175875 100644
--- a/src/main/java/com/hiczp/bilibili/api/live/entity/SendGiftResponseEntity.java
+++ b/src/main/java/com/hiczp/bilibili/api/live/entity/SendGiftResponseEntity.java
@@ -9,12 +9,15 @@ import java.util.List;
 public class SendGiftResponseEntity {
     /**
      * code : 0
-     * message : ok
+     * msg : success
+     * message : success
      * data : {"silver":"2696","gold":"0","data":{"giftName":"辣条","num":1,"uname":"czp3009","rcost":31134,"uid":20293030,"top_list":[{"uid":20293030,"uname":"czp3009","coin":25100,"face":"http://i0.hdslb.com/bfs/face/4f65e79399ad5a1bf3f877851b2f819d5870b494.jpg","guard_level":0,"rank":1,"score":25100},{"uid":19946822,"uname":"罗非鱼追上来了","coin":8000,"face":"http://i2.hdslb.com/bfs/face/e71031a931125617fad2c148213381bb6e0e9f26.jpg","guard_level":0,"rank":2,"score":8000},{"uid":8353249,"uname":"TcCoke","coin":3500,"face":"http://i2.hdslb.com/bfs/face/7c3c131f89380db0046024d1a903d3a6e4dc6128.jpg","guard_level":0,"rank":3,"score":3500}],"timestamp":1509972225,"giftId":1,"giftType":0,"action":"喂食","super":0,"price":100,"rnd":"1430788195","newMedal":0,"newTitle":0,"medal":[],"title":"","beatId":0,"biz_source":"live","metadata":"","remain":1,"gold":0,"silver":0,"eventScore":0,"eventNum":0,"smalltv_msg":[],"specialGift":null,"notice_msg":[],"capsule":{"normal":{"coin":10,"change":0,"progress":{"now":2900,"max":10000}},"colorful":{"coin":0,"change":0,"progress":{"now":0,"max":5000}}},"addFollow":0},"remain":1}
      */
 
     @SerializedName("code")
     private int code;
+    @SerializedName("msg")
+    private String msg;
     @SerializedName("message")
     private String message;
     @SerializedName("data")
@@ -28,6 +31,14 @@ public class SendGiftResponseEntity {
         this.code = code;
     }
 
+    public String getMsg() {
+        return msg;
+    }
+
+    public void setMsg(String msg) {
+        this.msg = msg;
+    }
+
     public String getMessage() {
         return message;
     }
@@ -138,7 +149,7 @@ public class SendGiftResponseEntity {
             @SerializedName("uid")
             private int uid;
             @SerializedName("timestamp")
-            private int timestamp;
+            private long timestamp;
             @SerializedName("giftId")
             private int giftId;
             @SerializedName("giftType")
@@ -181,12 +192,15 @@ public class SendGiftResponseEntity {
             private int addFollow;
             @SerializedName("top_list")
             private List<TopListEntity> topList;
+            /**
+             * medal 可能是空的 JsonArray, 也可能是一个 JsonObject
+             */
             @SerializedName("medal")
-            private List<?> medal;
+            private JsonElement medal;
             @SerializedName("smalltv_msg")
-            private List<?> smalltvMsg;
+            private JsonElement smalltvMsg;
             @SerializedName("notice_msg")
-            private List<?> noticeMsg;
+            private JsonElement noticeMsg;
 
             public String getGiftName() {
                 return giftName;
@@ -228,11 +242,11 @@ public class SendGiftResponseEntity {
                 this.uid = uid;
             }
 
-            public int getTimestamp() {
+            public long getTimestamp() {
                 return timestamp;
             }
 
-            public void setTimestamp(int timestamp) {
+            public void setTimestamp(long timestamp) {
                 this.timestamp = timestamp;
             }
 
@@ -404,27 +418,27 @@ public class SendGiftResponseEntity {
                 this.topList = topList;
             }
 
-            public List<?> getMedal() {
+            public JsonElement getMedal() {
                 return medal;
             }
 
-            public void setMedal(List<?> medal) {
+            public void setMedal(JsonElement medal) {
                 this.medal = medal;
             }
 
-            public List<?> getSmalltvMsg() {
+            public JsonElement getSmalltvMsg() {
                 return smalltvMsg;
             }
 
-            public void setSmalltvMsg(List<?> smalltvMsg) {
+            public void setSmalltvMsg(JsonElement smalltvMsg) {
                 this.smalltvMsg = smalltvMsg;
             }
 
-            public List<?> getNoticeMsg() {
+            public JsonElement getNoticeMsg() {
                 return noticeMsg;
             }
 
-            public void setNoticeMsg(List<?> noticeMsg) {
+            public void setNoticeMsg(JsonElement noticeMsg) {
                 this.noticeMsg = noticeMsg;
             }