diff --git a/src/main/java/com/fanruan/api/decision/CommonKit.java b/src/main/java/com/fanruan/api/decision/CommonKit.java
index 61ef66f..119d7ae 100644
--- a/src/main/java/com/fanruan/api/decision/CommonKit.java
+++ b/src/main/java/com/fanruan/api/decision/CommonKit.java
@@ -5,8 +5,10 @@ import com.fanruan.api.util.StringKit;
 import com.fr.base.Base64;
 import com.fr.base.ServerConfig;
 import com.fr.decision.webservice.utils.DecisionServiceConstants;
+import com.fr.decision.webservice.utils.WebServiceUtils;
 import com.fr.stable.StringUtils;
 
+import javax.servlet.http.HttpServletRequest;
 import java.awt.Image;
 /**
  * @author richie
@@ -63,4 +65,14 @@ public class CommonKit {
     public static String encode(Image im, String format) {
         return Base64.encode(im, format);
     }
+
+    /**
+     * 是否是ajax请求
+     *
+     * @param request http请求
+     * @return 是否是ajax请求
+     */
+    public static boolean ajaxRequest(HttpServletRequest request) {
+        return WebServiceUtils.ajaxRequest(request);
+    }
 }
diff --git a/src/test/java/com/fanruan/api/decision/CommonKitTest.java b/src/test/java/com/fanruan/api/decision/CommonKitTest.java
index 52a7996..8b503d8 100644
--- a/src/test/java/com/fanruan/api/decision/CommonKitTest.java
+++ b/src/test/java/com/fanruan/api/decision/CommonKitTest.java
@@ -10,9 +10,11 @@ import org.powermock.api.easymock.PowerMock;
 import org.powermock.core.classloader.annotations.PrepareForTest;
 import org.powermock.modules.junit4.PowerMockRunner;
 
-import java.awt.Image;
+import javax.servlet.http.HttpServletRequest;
+import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.UnsupportedEncodingException;
+import java.lang.reflect.Method;
 
 /**
  * @author Lucian.Chen
@@ -56,4 +58,13 @@ public class CommonKitTest {
         String result = Base64.encode(im, "");
         Assert.assertEquals(result, CommonKit.encode(im, ""));
     }
+
+    @Test
+    public void ajaxRequest() throws Exception {
+        Class<?> classBook = Class.forName("com.fanruan.api.decision.CommonKit");
+        Assert.assertNotNull(classBook);
+
+        Method method1 = classBook.getDeclaredMethod("ajaxRequest", HttpServletRequest.class);
+        Assert.assertNotNull(method1);
+    }
 }