diff --git a/dictation_server/src/features/files/files.service.ts b/dictation_server/src/features/files/files.service.ts
index 7cc1de7..6ddd5b3 100644
--- a/dictation_server/src/features/files/files.service.ts
+++ b/dictation_server/src/features/files/files.service.ts
@@ -151,14 +151,14 @@ export class FilesService {
     //DBから国情報とアカウントIDを取得する
     let accountId: number;
     let country: string;
+    let userId: number;
     try {
       const user = await this.usersRepository.findUserByExternalId(
         token.userId,
       );
-      if (user.account) {
-        accountId = user.account.id;
-        country = user.account.country;
-      }
+      accountId = user.account.id;
+      userId = user.id;
+      country = user.account.country;
     } catch (e) {
       this.logger.error(`error=${e}`);
       throw new HttpException(
@@ -173,7 +173,7 @@ export class FilesService {
         accountId,
         country,
       );
-      //TODO コンテナが無ければ作成
+      //TODO コンテナが無ければ作成しているが、アカウント登録時に作成するので本処理は削除予定。
       if (!isContainerExist) {
         await this.blobStorageService.createContainer(accountId, country);
       }
@@ -189,6 +189,7 @@ export class FilesService {
       // SASトークン発行
       const url = await this.blobStorageService.publishUploadSas(
         accountId,
+        userId,
         country,
       );
       return url;
diff --git a/dictation_server/src/gateways/blobstorage/blobstorage.service.ts b/dictation_server/src/gateways/blobstorage/blobstorage.service.ts
index 32081f5..824ce13 100644
--- a/dictation_server/src/gateways/blobstorage/blobstorage.service.ts
+++ b/dictation_server/src/gateways/blobstorage/blobstorage.service.ts
@@ -84,12 +84,17 @@ export class BlobstorageService {
   }
 
   /**
-   * Publishs upload sas
+   * SASトークン付きのBlobStorageアップロードURLを生成し返却します
    * @param accountId
+   * @param userId
    * @param country
    * @returns upload sas
    */
-  async publishUploadSas(accountId: number, country: string): Promise<string> {
+  async publishUploadSas(
+    accountId: number,
+    userId: number,
+    country: string,
+  ): Promise<string> {
     this.logger.log(`[IN] ${this.publishUploadSas.name}`);
     let containerClient: ContainerClient;
     let sharedKeyCredential: StorageSharedKeyCredential;
@@ -126,7 +131,10 @@ export class BlobstorageService {
       sharedKeyCredential,
     );
 
-    return `${containerClient.url}?${sasToken}`;
+    const url = new URL(containerClient.url);
+    url.pathname += `/${userId}`;
+    url.search = `${sasToken}`;
+    return url.toString();
   }
 
   /**