基因定制附件申请人签名Base64

jfcloud-gene-biz/src/main/java/com/github/jfcloud/gene/cache/UserIdNameCache.java

@@ -234,7 +234,7 @@ public class UserIdNameCache {
         return Optional.ofNullable(getUserInfoByUserId(userId))
                 .map(u -> {
                     String eleSignature = StrUtil.nullToEmpty(u.getEleSignature());
-                    return withBase64Header ? eleSignature : eleSignature.substring(Math.max(0, eleSignature.indexOf(',')));
+                    return withBase64Header ? eleSignature : eleSignature.substring(Math.max(0, eleSignature.indexOf(',') + 1));
                 })
                 .orElse("");
     }