refactor(system): 优化通知保存逻辑，移除冗余依赖

chenhj

2026-04-22 1a6c518be93901a41bc2b7b7a1475c58e9b1d2c0

 src/main/java/com/ruoyi/common/utils/ExceptionUtil.java

@@ -18,8 +18,7 @@
    {

        StringWriter sw = new StringWriter();

        e.printStackTrace(new PrintWriter(sw, true));

        String str = sw.toString();

        return str;

        return sw.toString();

    }



    public static String getRootErrorMessage(Exception e)