!120 修复获取baseUrl 方法的错误

Merge pull request !120 from 高雄/N/A

server/src/main/java/cn/keking/service/FileHandlerService.java

@@ -180,7 +180,7 @@ public class FileHandlerService {
      * @return 图片访问地址
      */
     private String getPdf2jpgUrl(String pdfName, int index) {
-        String baseUrl = ConfigConstants.getBaseUrl();
+        String baseUrl = BaseUrlFilter.getBaseUrl();
         String pdfFolder = pdfName.substring(0, pdfName.length() - 4);
         String urlPrefix;