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server/dukang-api/src/integrations/oss/oss.aliyun.provider.ts

@@ -6,7 +6,7 @@ import type {
   OssUploadTokenInput,
   OssUploadTokenResult,
 } from './oss.interface';
-import { buildOssObjectKey } from './oss.key.util';
+import { buildOssObjectKey, resolveOssUploadDir } from './oss.key.util';
 import { createAliyunOssClient, resolveOssUploadHost } from './oss.aliyun.client';
 
 const DEFAULT_EXPIRE_SECONDS = 15 * 60;
@@ -64,13 +64,14 @@ export class OssAliyunProvider implements IOssProvider {
     const ossKey = buildOssObjectKey(this.uploadPrefix, dto.bizType, dto.fileName);
     const expireAt = new Date(Date.now() + this.expireSeconds * 1000);
     const host = resolveOssUploadHost(this.bucket, this.region);
+    const keyPrefix = resolveOssUploadDir(this.uploadPrefix, dto.bizType);
 
     const policy = {
       expiration: expireAt.toISOString(),
       conditions: [
         ['content-length-range', 0, this.maxUploadBytes],
         ['eq', '$bucket', this.bucket],
-        ['starts-with', '$key', `${this.uploadPrefix}/${dto.bizType.toLowerCase()}/`],
+        ['starts-with', '$key', keyPrefix],
       ],
     };