SpringBoot RestTemplate 访问Aliyun OSS 报错 SignatureDoesNotMatch

我有一个OSS带鉴权的URL，现在需要下载. 浏览网页没问题，RestTemplate下载权限错误 

Exception in thread "Thread-18" org.springframework.web.client.HttpClientErrorException$Forbidden: 403 Forbidden: " SignatureDoesNotMatch The request signature we calculated does not match the signature you provided. Check your key and signing method. 62A423B3921C493036899B48 sh-full-process-picture.oss-cn-shanghai.aliyuncs.com LTAI4FttyQ1rqyLDXPs2dnLG CXgmkBZLtEzd4T3irAnroHuudAE= GET1654925591/sh-full-process-picture/073ce05e53cb4659ae4f980918febb75_26_1654860227?x-oss-process=image/resize,m_fixed,h_180,w_320 47 45 54 0A 0A 0A 31 36 35 34 39 32 35 35 39 31 0A 2F 73 68 2D 66 75 6C 6C 2D 70 72 6F 63 65 73 73 2D 70 69 63 74 75 72 65 2F 30 37 33 63 65 30 35 65 35 33 63 62 34 36 35 39 61 65 34 66 39 38 30 39 31 38 66 65 62 62 37 35 5F 32 36 5F 31 36 35 34 38 36 30 32 32 37 3F 78 2D 6F 73 73 2D 70 72 6F 63 65 73 73 3D 69 6D 61 67 65 25 32 46 72 65 73 69 7A 65 25 32 43 6D 5F 66 69 78 65 64 25 32 43 68 5F 31 38 30 25 32 43 77 5F 33 32 30 "

// 错误写法:这种写法会处理路径(特殊字符替换等)。)内部，使鉴权出现问题 restTemplate.exchange(imgUrl, HttpMethod.GET, httpEntity, byte[].class); // 正确的写法，使用URI包装 restTemplate.exchange(URI.create(imgUrl), HttpMethod.GET, httpEntity, byte[].class);