@ohos.zlib (Zip模块)解压文件返回解压成功，但未没有找到解压后的文件

import { BusinessError } from '@ohos.base'; 
 
try { 
  this.context.resourceManager.getRawFileContent("test.txt", (error: BusinessError, value: string) => { 
    if (error != null) { 
      console.error("error is " + error); 
    } else { 
      let rawFile = value; 
    } 
  }); 
} catch (error) { 
  let code = (error as BusinessError).code; 
  let message = (error as BusinessError).message; 
  console.error(`callback getRawFileContent failed, error code: ${code}, message: ${message}.`); 
}