修改isDebug判断条件，环境变量值为development和sandbox都判定为isDebug

app/utils/uploadfile.js

@@ -14,7 +14,8 @@ var ossOption = {
     accessKeySecret: env.ossConfig.accessKeySecret
 };
 
-var isDebug = (process.env.NODE_ENV || 'development') === 'development' ? true: false;
+var nodeEnv = (process.env.NODE_ENV || 'development')
+var isDebug = nodeEnv === 'development' || nodeEnv === 'sandbox' ? true: false;
 
 var bucketName = isDebug === true ? env.ossConfig.bucketNameDev : env.ossConfig.bucketNameProd;
 var ofs = new ossClient(ossOption, bucketName);