diff --git a/src/core/apis/file.ts b/src/core/apis/file.ts
index 6b5893c4..fbcf9d08 100644
--- a/src/core/apis/file.ts
+++ b/src/core/apis/file.ts
@@ -5,6 +5,7 @@ import {
     IMAGE_HTTP_HOST_NT,
     Peer,
     PicElement,
+    PicSubType,
     PicType,
     RawMessage,
     SendFileElement,
@@ -111,7 +112,7 @@ export class NTQQFileApi {
         };
     }
 
-    async createValidSendPicElement(context: MessageContext, picPath: string, summary: string = '', subType: 0 | 1 = 0): Promise<SendPicElement> {
+    async createValidSendPicElement(context: MessageContext, picPath: string, summary: string = '', subType: PicSubType = 0): Promise<SendPicElement> {
         const { md5, fileName, path, fileSize } = await this.core.apis.FileApi.uploadFile(picPath, ElementType.PIC, subType);
         if (fileSize === 0) {
             throw new Error('文件异常，大小为0');
diff --git a/src/core/entities/msg.ts b/src/core/entities/msg.ts
index 762256a4..2999e1ca 100644
--- a/src/core/entities/msg.ts
+++ b/src/core/entities/msg.ts
@@ -104,7 +104,7 @@ export enum NTMsgType {
  * 图片类型枚举
  */
 export enum PicType {
-    NEWPIC_APNG = 2001, 
+    NEWPIC_APNG = 2001,
     NEWPIC_BMP = 1005,
     NEWPIC_GIF = 2000,
     NEWPIC_JPEG = 1000,
@@ -117,9 +117,14 @@ export enum PicType {
  * 图片子类型枚举
  */
 export enum PicSubType {
-    Normal = 0, // 普通图片
-    Face = 1  // 表情包小图
-    //...待补全 其余见NT Android
+    KNORMAL = 0,
+    KCUSTOM = 1,
+    KHOT = 2,
+    KDIPPERCHART = 3,
+    KSMART = 4,
+    KSPACE = 5,
+    KUNKNOW = 6,
+    KRELATED = 7
 }
 /**
  * 消息@类型枚举