diff --git a/.config/example.yml b/.config/example.yml
index ba8e818b5d64dae9a7d80b0d3033514563ece278..f781b72b918a220ca07819dba0ab606607bb791b 100644
--- a/.config/example.yml
+++ b/.config/example.yml
@@ -341,9 +341,9 @@ checkActivityPubGetSignature: false
 # Upload or download file size limits (bytes)
 #maxFileSize: 262144000
 
-# timeout and maximum size for imports (e.g. note imports)
+# timeout (in milliseconds) and maximum size for imports (e.g. note imports)
 #import:
-#  downloadTimeout: 30
+#  downloadTimeout: 30000
 #  maxFileSize: 262144000
 
 # PID File of master process
diff --git a/packages/backend/src/queue/processors/ImportCustomEmojisProcessorService.ts b/packages/backend/src/queue/processors/ImportCustomEmojisProcessorService.ts
index 17ba71df3dad690b434df53e992403a68eafb5a2..666a709ab96048b3fa12c53471212a478ea2d5a3 100644
--- a/packages/backend/src/queue/processors/ImportCustomEmojisProcessorService.ts
+++ b/packages/backend/src/queue/processors/ImportCustomEmojisProcessorService.ts
@@ -17,6 +17,7 @@ import { bindThis } from '@/decorators.js';
 import { QueueLoggerService } from '../QueueLoggerService.js';
 import type * as Bull from 'bullmq';
 import type { DbUserImportJobData } from '../types.js';
+import type { Config } from '@/config.js';
 
 // TODO: 名前衝突時の動作を選べるようにする
 @Injectable()
@@ -24,6 +25,9 @@ export class ImportCustomEmojisProcessorService {
 	private logger: Logger;
 
 	constructor(
+		@Inject(DI.config)
+		private config: Config,
+
 		@Inject(DI.driveFilesRepository)
 		private driveFilesRepository: DriveFilesRepository,
 
@@ -57,7 +61,7 @@ export class ImportCustomEmojisProcessorService {
 
 		try {
 			fs.writeFileSync(destPath, '', 'binary');
-			await this.downloadService.downloadUrl(file.url, destPath);
+			await this.downloadService.downloadUrl(file.url, destPath, { operationTimeout: this.config.import?.downloadTimeout, maxSize: this.config.import?.maxFileSize });
 		} catch (e) { // TODO: 何度か再試行
 			if (e instanceof Error || typeof e === 'string') {
 				this.logger.error(e);
diff --git a/packages/backend/src/queue/processors/ImportNotesProcessorService.ts b/packages/backend/src/queue/processors/ImportNotesProcessorService.ts
index f89dc467220fab41c6a1184c311901a10ea0ec21..ee9819b29f646e28c15124fb7c516e98ed035f24 100644
--- a/packages/backend/src/queue/processors/ImportNotesProcessorService.ts
+++ b/packages/backend/src/queue/processors/ImportNotesProcessorService.ts
@@ -626,7 +626,7 @@ export class ImportNotesProcessorService {
 
 						if (!exists) {
 							try {
-								await this.downloadService.downloadUrl(videos[0].url, filePath);
+								await this.downloadUrl(videos[0].url, filePath);
 							} catch (e) { // TODO: 何度か再試行
 								this.logger.error(e instanceof Error ? e : new Error(e as string));
 							}
@@ -651,7 +651,7 @@ export class ImportNotesProcessorService {
 
 						if (!exists) {
 							try {
-								await this.downloadService.downloadUrl(file.media_url_https, filePath);
+								await this.downloadUrl(file.media_url_https, filePath);
 							} catch (e) { // TODO: 何度か再試行
 								this.logger.error(e instanceof Error ? e : new Error(e as string));
 							}