fix

examcloud-core-questions-api-provider/src/main/java/cn/com/qmth/examcloud/core/questions/api/controller/ExportPaperController.java

@@ -51,7 +51,7 @@ public class ExportPaperController extends ControllerSupport {
      * @return
      */
     @ApiOperation(value = "导出试卷", notes = "导出试卷")
-    @GetMapping(value = "/paper/export/{id}/{exportContentList}/{examType}")
+    @GetMapping(value = "/paper/export/{id}/{exportContentList}/{examType}",produces={"application/octet-stream;charset=utf-8"})
     public void getPaperById(HttpServletRequest request, HttpServletResponse response, @PathVariable String id, @PathVariable String exportContentList,
             @PathVariable String examType,@RequestParam(required = false) PaperSeqMode seqMode) {
         log.info("导出开始");