diff --git a/package-lock.json b/package-lock.json
index e059d67..38ea157 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3214,8 +3214,7 @@
     "commander": {
       "version": "2.20.3",
       "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
-      "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
-      "dev": true
+      "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ=="
     },
     "common-tags": {
       "version": "1.8.0",
@@ -5868,6 +5867,11 @@
       "integrity": "sha512-Pgs951kaMm5GXP7MOvxERINe3gsaVjUWFm+UZPSq9xYriQAksyhg0csnS0KXSNRD5NmNdapXEpjxG49+AKh/ug==",
       "dev": true
     },
+    "image-size": {
+      "version": "0.6.3",
+      "resolved": "https://registry.npmjs.org/image-size/-/image-size-0.6.3.tgz",
+      "integrity": "sha512-47xSUiQioGaB96nqtp5/q55m0aBQSQdyIloMOc/x+QVTDZLNmXE892IIDrJ0hM1A5vcNUDD5tDffkSP5lCaIIA=="
+    },
     "import-cwd": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/import-cwd/-/import-cwd-2.1.0.tgz",
@@ -6793,6 +6797,23 @@
       "integrity": "sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg==",
       "dev": true
     },
+    "metaflac-js": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/metaflac-js/-/metaflac-js-1.0.5.tgz",
+      "integrity": "sha512-JxMDjEWQRHu+JTvA77vk0uOSt2NGqKYFAcheI8Qop7V5fxsEbRhSSjg8QnAhcmCuMo9zkSLjpj6ndRyZHb77sg==",
+      "requires": {
+        "commander": "^2.19.0",
+        "file-type": "^10.7.0",
+        "image-size": "^0.6.3"
+      },
+      "dependencies": {
+        "file-type": {
+          "version": "10.11.0",
+          "resolved": "https://registry.npmjs.org/file-type/-/file-type-10.11.0.tgz",
+          "integrity": "sha512-uzk64HRpUZyTGZtVuvrjP0FYxzQrBf4rojot6J65YMEbwBLB0CWm0CLojVpwpmFmxcE/lkvYICgfcGozbBq6rw=="
+        }
+      }
+    },
     "methods": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/methods/-/methods-1.1.2.tgz",
diff --git a/package.json b/package.json
index 0ff594a..e09162f 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
     "crypto-js": "^4.0.0",
     "element-ui": "^2.13.0",
     "iconv-lite": "^0.5.1",
+    "metaflac-js": "^1.0.5",
     "music-metadata-browser": "^2.0.5",
     "register-service-worker": "^1.7.1",
     "vue": "^2.6.11"
diff --git a/src/decrypt/ncm.js b/src/decrypt/ncm.js
index e7bd16f..c568e73 100644
--- a/src/decrypt/ncm.js
+++ b/src/decrypt/ncm.js
@@ -1,4 +1,5 @@
 const CryptoJS = require("crypto-js");
+const MetaFlac = require('metaflac-js');
 const CORE_KEY = CryptoJS.enc.Hex.parse("687a4852416d736f356b496e62617857");
 const META_KEY = CryptoJS.enc.Hex.parse("2331346C6A6B5F215C5D2630553C2728");
 const MagicHeader = [0x43, 0x54, 0x45, 0x4E, 0x46, 0x44, 0x41, 0x4D];
@@ -40,12 +41,23 @@ export async function Decrypt(file, raw_filename, raw_ext) {
     if (musicMeta.format === undefined) musicMeta.format = DetectAudioExt(audioData, "mp3");
 
     const imageInfo = await GetWebImage(musicMeta.albumPic);
-    if (musicMeta.format === "mp3") audioData = await WriteMp3Meta(
-        audioData, artists, info.title, musicMeta.album, imageInfo.buffer, musicMeta.albumPic);
+    if (musicMeta.format === "mp3") {
+        audioData = await WriteMp3Meta(
+            audioData, artists, info.title, musicMeta.album, imageInfo.buffer, musicMeta.albumPic);
+    } else if (musicMeta.format === "flac") {
+        const writer = new MetaFlac(Buffer.from(audioData))
+        writer.setTag("TITLE=" + info.title);
+        writer.setTag("ALBUM=" + musicMeta.album);
+        artists.forEach(artist => writer.setTag("ARTIST=" + artist));
+        writer.importPictureFromBuffer(Buffer.from(imageInfo.buffer))
+        audioData = writer.save()
+    }
+    console.log(imageInfo)
 
     const mime = AudioMimeType[musicMeta.format];
     const musicData = new Blob([audioData], {type: mime});
-    return {
+
+    let x = {
         status: true,
         title: info.title,
         artist: info.artist,
@@ -55,6 +67,8 @@ export async function Decrypt(file, raw_filename, raw_ext) {
         file: URL.createObjectURL(musicData),
         mime: mime
     };
+    console.log(x)
+    return x;
 }
 
 
diff --git a/src/decrypt/qmc.js b/src/decrypt/qmc.js
index bcc4788..970ea4b 100644
--- a/src/decrypt/qmc.js
+++ b/src/decrypt/qmc.js
@@ -7,6 +7,9 @@ import {
     GetWebImage,
     RequestJsonp
 } from "./util";
+
+const MetaFlac = require('metaflac-js');
+
 import {QmcMaskCreate58, QmcMaskDetectMflac, QmcMaskDetectMgg, QmcMaskGetDefault} from "./qmcMask";
 import {fromByteArray as Base64Encode, toByteArray as Base64Decode} from 'base64-js'
 
@@ -85,6 +88,11 @@ export async function Decrypt(file, raw_filename, raw_ext) {
                     writer.addTag();
                     musicDecoded = writer.arrayBuffer
                     musicBlob = new Blob([musicDecoded], {type: mime});
+                } else if (ext === 'flac') {
+                    const writer = new MetaFlac(Buffer.from(musicDecoded))
+                    writer.importPictureFromBuffer(Buffer.from(imageInfo.buffer))
+                    musicDecoded = writer.save()
+                    musicBlob = new Blob([musicDecoded], {type: mime});
                 }
             }
         }
diff --git a/src/decrypt/util.js b/src/decrypt/util.js
index df3aaeb..ffb5b9f 100644
--- a/src/decrypt/util.js
+++ b/src/decrypt/util.js
@@ -91,7 +91,7 @@ export async function GetWebImage(pic_url) {
     return {"buffer": null, "url": "", "type": ""}
 }
 
-export async function WriteMp3Meta(audioData, artistList, title, album, pictureData = null, pictureDesc = "Cover") {
+export function WriteMp3Meta(audioData, artistList, title, album, pictureData = null, pictureDesc = "Cover") {
     const writer = new ID3Writer(audioData);
     writer.setFrame("TPE1", artistList)
         .setFrame("TIT2", title)