diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysOssController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysOssController.java
index 5778b2a02..3c043534d 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysOssController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysOssController.java
@@ -102,7 +102,7 @@ public class SysOssController extends BaseController {
 		response.reset();
 		response.addHeader("Access-Control-Allow-Origin", "*");
 		response.addHeader("Access-Control-Expose-Headers", "Content-Disposition");
-		FileUtils.setAttachmentResponseHeader(response, URLEncoder.encode(sysOss.getOriginalName(), StandardCharsets.UTF_8.toString()));
+		FileUtils.setAttachmentResponseHeader(response, sysOss.getOriginalName());
 		response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE + "; charset=UTF-8");
 		long data;
 		try {
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
index 4060b1794..e3001c605 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
@@ -46,7 +46,7 @@ public class ExcelUtil {
 			response.reset();
 			response.addHeader("Access-Control-Allow-Origin", "*");
 			response.addHeader("Access-Control-Expose-Headers", "Content-Disposition");
-			FileUtils.setAttachmentResponseHeader(response, URLEncoder.encode(filename, StandardCharsets.UTF_8.toString()));
+			FileUtils.setAttachmentResponseHeader(response, filename);
 			response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8");
 			ServletOutputStream os = response.getOutputStream();
 			EasyExcel.write(os, clazz)
diff --git a/ruoyi-ui/src/plugins/download.js b/ruoyi-ui/src/plugins/download.js
index 248ed01c8..50f664a53 100644
--- a/ruoyi-ui/src/plugins/download.js
+++ b/ruoyi-ui/src/plugins/download.js
@@ -40,7 +40,7 @@ export default {
       this.saveAs(blob, decodeURI(res.headers['download-filename']))
     })
   },
-  oss(ossId, name) {
+  oss(ossId) {
     var url = baseURL + '/system/oss/download/' + ossId
     axios({
       method: 'get',
@@ -49,7 +49,7 @@ export default {
       headers: { 'Authorization': 'Bearer ' + getToken() }
     }).then(res => {
       const blob = new Blob([res.data], { type: 'application/octet-stream' })
-      this.saveAs(blob, name)
+      this.saveAs(blob, decodeURI(res.headers['download-filename']))
     })
   },
   zip(url, name) {