diff --git a/src/core/packet/highway/session.ts b/src/core/packet/highway/session.ts
index d66df215..b8cf7f33 100644
--- a/src/core/packet/highway/session.ts
+++ b/src/core/packet/highway/session.ts
@@ -137,6 +137,7 @@ export class PacketHighwaySession {
     }
 
     private async uploadGroupImageReq(groupUin: number, img: PacketMsgPicElement): Promise<void> {
+        img.sha1 = Buffer.from(await calculateSha1(img.path)).toString('hex');
         const preReq = await this.packer.packUploadGroupImgReq(groupUin, img);
         const preRespRaw = await this.packetClient.sendPacket('OidbSvcTrpcTcp.0x11c4_100', preReq, true);
         const preResp = new NapProtoMsg(OidbSvcTrpcTcpBaseRsp).decode(
@@ -176,6 +177,7 @@ export class PacketHighwaySession {
     }
 
     private async uploadC2CImageReq(peerUid: string, img: PacketMsgPicElement): Promise<void> {
+        img.sha1 = Buffer.from(await calculateSha1(img.path)).toString('hex');
         const preReq = await this.packer.packUploadC2CImgReq(peerUid, img);
         const preRespRaw = await this.packetClient.sendPacket('OidbSvcTrpcTcp.0x11c5_100', preReq, true);
         const preResp = new NapProtoMsg(OidbSvcTrpcTcpBaseRsp).decode(
@@ -214,6 +216,9 @@ export class PacketHighwaySession {
     }
 
     private async uploadGroupVideoReq(groupUin: number, video: PacketMsgVideoElement): Promise<void> {
+        if (!video.filePath || !video.thumbPath) throw new Error("video.filePath or video.thumbPath is empty");
+        video.fileSha1 = Buffer.from(await calculateSha1(video.filePath)).toString('hex');
+        video.thumbSha1 = Buffer.from(await calculateSha1(video.thumbPath)).toString('hex');
         const preReq = await this.packer.packUploadGroupVideoReq(groupUin, video);
         const preRespRaw = await this.packetClient.sendPacket('OidbSvcTrpcTcp.0x11ea_100', preReq, true);
         const preResp = new NapProtoMsg(OidbSvcTrpcTcpBaseRsp).decode(
@@ -279,6 +284,9 @@ export class PacketHighwaySession {
     }
 
     private async uploadC2CVideoReq(peerUid: string, video: PacketMsgVideoElement): Promise<void> {
+        if (!video.filePath || !video.thumbPath) throw new Error("video.filePath or video.thumbPath is empty");
+        video.fileSha1 = Buffer.from(await calculateSha1(video.filePath)).toString('hex');
+        video.thumbSha1 = Buffer.from(await calculateSha1(video.thumbPath)).toString('hex');
         const preReq = await this.packer.packUploadC2CVideoReq(peerUid, video);
         const preRespRaw = await this.packetClient.sendPacket('OidbSvcTrpcTcp.0x11e9_100', preReq, true);
         const preResp = new NapProtoMsg(OidbSvcTrpcTcpBaseRsp).decode(
@@ -344,6 +352,7 @@ export class PacketHighwaySession {
     }
 
     private async uploadGroupPttReq(groupUin: number, ptt: PacketMsgPttElement): Promise<void> {
+        ptt.fileSha1 = Buffer.from(await calculateSha1(ptt.filePath)).toString('hex');
         const preReq = await this.packer.packUploadGroupPttReq(groupUin, ptt);
         const preRespRaw = await this.packetClient.sendPacket('OidbSvcTrpcTcp.0x126e_100', preReq, true);
         const preResp = new NapProtoMsg(OidbSvcTrpcTcpBaseRsp).decode(
@@ -382,6 +391,7 @@ export class PacketHighwaySession {
     }
 
     private async uploadC2CPttReq(peerUid: string, ptt: PacketMsgPttElement): Promise<void> {
+        ptt.fileSha1 = Buffer.from(await calculateSha1(ptt.filePath)).toString('hex');
         const preReq = await this.packer.packUploadC2CPttReq(peerUid, ptt);
         const preRespRaw = await this.packetClient.sendPacket('OidbSvcTrpcTcp.0x126d_100', preReq, true);
         const preResp = new NapProtoMsg(OidbSvcTrpcTcpBaseRsp).decode(
diff --git a/src/core/packet/msg/element.ts b/src/core/packet/msg/element.ts
index e036c7f8..1fa9e064 100644
--- a/src/core/packet/msg/element.ts
+++ b/src/core/packet/msg/element.ts
@@ -288,7 +288,9 @@ export class PacketMsgVideoElement extends IPacketMsgElement<SendVideoElement> {
     thumbSize?: number;
     thumbPath?: string;
     fileMd5?: string;
+    fileSha1?: string;
     thumbMd5?: string;
+    thumbSha1?: string;
     thumbWidth?: number;
     thumbHeight?: number;
     msgInfo: NapProtoEncodeStructType<typeof MsgInfo> | null = null;
@@ -325,6 +327,7 @@ export class PacketMsgPttElement extends IPacketMsgElement<SendPttElement> {
     filePath: string;
     fileSize: number;
     fileMd5: string;
+    fileSha1?: string;
     fileDuration: number;
     msgInfo: NapProtoEncodeStructType<typeof MsgInfo> | null = null;
 
diff --git a/src/core/packet/packer.ts b/src/core/packet/packer.ts
index 6f99efa9..67a1b86d 100644
--- a/src/core/packet/packer.ts
+++ b/src/core/packet/packer.ts
@@ -188,7 +188,7 @@ export class PacketPacker {
                             fileInfo: {
                                 fileSize: +img.size,
                                 fileHash: img.md5,
-                                fileSha1: this.toHexStr(await calculateSha1(img.path)),
+                                fileSha1: img.sha1!,
                                 fileName: img.name,
                                 type: {
                                     type: 1,
@@ -256,7 +256,7 @@ export class PacketPacker {
                         fileInfo: {
                             fileSize: +img.size,
                             fileHash: img.md5,
-                            fileSha1: this.toHexStr(await calculateSha1(img.path)),
+                            fileSha1: img.sha1!,
                             fileName: img.name,
                             type: {
                                 type: 1,
@@ -299,10 +299,7 @@ export class PacketPacker {
     }
 
     async packUploadGroupVideoReq(groupUin: number, video: PacketMsgVideoElement): Promise<PacketHexStr> {
-        if (!video.filePath || !video.thumbPath) throw new Error("video.filePath or video.thumbPath is empty");
         if (!video.fileSize || !video.thumbSize) throw new Error("video.fileSize or video.thumbSize is empty");
-        const videoSha1 = await calculateSha1(video.filePath ?? "");
-        const videoThumbSha1 = await calculateSha1(video.thumbPath ?? "");
         const req = new NapProtoMsg(NTV2RichMediaReq).encode({
             reqHead: {
                 common: {
@@ -327,7 +324,7 @@ export class PacketPacker {
                         fileInfo: {
                             fileSize: +video.fileSize,
                             fileHash: video.fileMd5,
-                            fileSha1: this.toHexStr(videoSha1),
+                            fileSha1: video.fileSha1,
                             fileName: "nya.mp4",
                             type: {
                                 type: 2,
@@ -345,7 +342,7 @@ export class PacketPacker {
                         fileInfo: {
                             fileSize: +video.thumbSize,
                             fileHash: video.thumbMd5,
-                            fileSha1: this.toHexStr(videoThumbSha1),
+                            fileSha1: video.thumbSha1,
                             fileName: "nya.jpg",
                             type: {
                                 type: 1,
@@ -387,10 +384,7 @@ export class PacketPacker {
     }
 
     async packUploadC2CVideoReq(peerUin: string, video: PacketMsgVideoElement): Promise<PacketHexStr> {
-        if (!video.filePath || !video.thumbPath) throw new Error("video.filePath or video.thumbPath is empty");
         if (!video.fileSize || !video.thumbSize) throw new Error("video.fileSize or video.thumbSize is empty");
-        const videoSha1 = await calculateSha1(video.filePath ?? "");
-        const videoThumbSha1 = await calculateSha1(video.thumbPath ?? "");
         const req = new NapProtoMsg(NTV2RichMediaReq).encode({
             reqHead: {
                 common: {
@@ -416,7 +410,7 @@ export class PacketPacker {
                         fileInfo: {
                             fileSize: +video.fileSize,
                             fileHash: video.fileMd5,
-                            fileSha1: this.toHexStr(videoSha1),
+                            fileSha1: video.fileSha1,
                             fileName: "nya.mp4",
                             type: {
                                 type: 2,
@@ -434,7 +428,7 @@ export class PacketPacker {
                         fileInfo: {
                             fileSize: +video.thumbSize,
                             fileHash: video.thumbMd5,
-                            fileSha1: this.toHexStr(videoThumbSha1),
+                            fileSha1: video.thumbSha1,
                             fileName: "nya.jpg",
                             type: {
                                 type: 1,
@@ -476,7 +470,6 @@ export class PacketPacker {
     }
 
     async packUploadGroupPttReq(groupUin: number, ptt: PacketMsgPttElement): Promise<PacketHexStr> {
-        const pttSha1 = await calculateSha1(ptt.filePath);
         const req = new NapProtoMsg(NTV2RichMediaReq).encode({
             reqHead: {
                 common: {
@@ -501,7 +494,7 @@ export class PacketPacker {
                         fileInfo: {
                             fileSize: ptt.fileSize,
                             fileHash: ptt.fileMd5,
-                            fileSha1: this.toHexStr(pttSha1),
+                            fileSha1: ptt.fileSha1,
                             fileName: `${ptt.fileMd5}.amr`,
                             type: {
                                 type: 3,
@@ -542,7 +535,6 @@ export class PacketPacker {
     }
 
     async packUploadC2CPttReq(peerUin: string, ptt: PacketMsgPttElement): Promise<PacketHexStr> {
-        const pttSha1 = await calculateSha1(ptt.filePath);
         const req = new NapProtoMsg(NTV2RichMediaReq).encode({
             reqHead: {
                 common: {
@@ -568,7 +560,7 @@ export class PacketPacker {
                         fileInfo: {
                             fileSize: ptt.fileSize,
                             fileHash: ptt.fileMd5,
-                            fileSha1: this.toHexStr(pttSha1),
+                            fileSha1: ptt.fileSha1,
                             fileName: `${ptt.fileMd5}.amr`,
                             type: {
                                 type: 3,
@@ -616,7 +608,7 @@ export class PacketPacker {
                 localDirectory: `/${file.fileName}`,
                 fileSize: BigInt(file.fileSize),
                 fileMd5: file.fileMd5,
-                fileSha1: await calculateSha1(file.filePath),
+                fileSha1: file.fileSha1,
                 fileSha3: Buffer.alloc(0),
                 field15: true
             }