diff --git a/backend/services/admin-service/src/api/dto/request/upload-version.dto.ts b/backend/services/admin-service/src/api/dto/request/upload-version.dto.ts
index 8c64e629..6a904544 100644
--- a/backend/services/admin-service/src/api/dto/request/upload-version.dto.ts
+++ b/backend/services/admin-service/src/api/dto/request/upload-version.dto.ts
@@ -19,7 +19,7 @@ export class UploadVersionDto {
   @ApiPropertyOptional({ description: '版本名称 (可从APK/IPA自动检测)', example: '1.0.0' })
   @IsOptional()
   @IsString()
-  @Matches(/^\d+\.\d+\.\d+$/, { message: 'versionName must be in format x.y.z' })
+  @Matches(/^\d+\.\d+\.\d+(\.\d+)?$/, { message: 'versionName must be in format x.y.z or x.y.z.w' })
   versionName?: string
 
   @ApiPropertyOptional({ description: '构建号 (可从APK/IPA自动检测)', example: '100' })