fix(芯导): 补回各系统丢失的既有文件修改（分支切换导致）

tuqin

2026-10-21 a2599e2fffaf6bb1d781325736f06955fa19511b

 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)