diff --git a/src/main/java/cn/lihongjie/coal/common/JwtUtils.java b/src/main/java/cn/lihongjie/coal/common/JwtUtils.java
deleted file mode 100644
index 5a7f4f23..00000000
--- a/src/main/java/cn/lihongjie/coal/common/JwtUtils.java
+++ /dev/null
@@ -1,10 +0,0 @@
-package cn.lihongjie.coal.common;
-
-import lombok.experimental.UtilityClass;
-
-@UtilityClass
-public class JwtUtils {
-
-
-
-}
diff --git a/src/main/java/cn/lihongjie/coal/common/RequestUtils.java b/src/main/java/cn/lihongjie/coal/common/RequestUtils.java
index 7c1b1913..94d824b1 100644
--- a/src/main/java/cn/lihongjie/coal/common/RequestUtils.java
+++ b/src/main/java/cn/lihongjie/coal/common/RequestUtils.java
@@ -1,16 +1,58 @@
 package cn.lihongjie.coal.common;
 
+import eu.bitwalker.useragentutils.Browser;
+import eu.bitwalker.useragentutils.OperatingSystem;
+import eu.bitwalker.useragentutils.UserAgent;
+import eu.bitwalker.useragentutils.Version;
 import jakarta.servlet.http.HttpServletRequest;
 import lombok.experimental.UtilityClass;
 
 @UtilityClass
 public class RequestUtils {
 
+
+
+    private static final String[] HEADERS_TO_TRY = {
+            "X-Forwarded-For",
+            "Proxy-Client-IP",
+            "WL-Proxy-Client-IP",
+            "HTTP_X_FORWARDED_FOR",
+            "HTTP_X_FORWARDED",
+            "HTTP_X_CLUSTER_CLIENT_IP",
+            "HTTP_CLIENT_IP",
+            "HTTP_FORWARDED_FOR",
+            "HTTP_FORWARDED",
+            "HTTP_VIA",
+            "REMOTE_ADDR" };
+
+    private String getClientIpAddress(HttpServletRequest request) {
+        for (String header : HEADERS_TO_TRY) {
+            String ip = request.getHeader(header);
+            if (ip != null && ip.length() != 0 && !"unknown".equalsIgnoreCase(ip)) {
+                return ip;
+            }
+        }
+
+        return request.getRemoteAddr();
+    }
     public static String getIp(HttpServletRequest request) {
-        return null;
+        return getClientIpAddress(request);
     }
 
     public static String getUa(HttpServletRequest request) {
-        return null;
+
+        UserAgent userAgent = UserAgent.parseUserAgentString(request.getHeader("User-Agent"));
+        Browser browser = userAgent.getBrowser();
+
+        String browserName = browser.getName();
+        //or
+        // String browserName = browser.getGroup().getName();
+        Version browserVersion = userAgent.getBrowserVersion();
+
+        OperatingSystem os = userAgent.getOperatingSystem();
+
+        return os.getName() + " " + browserName + browserVersion.toString();
+
+
     }
 }