diff --git a/src/main/java/com/alibaba/druid/support/http/WebStatFilter.java b/src/main/java/com/alibaba/druid/support/http/WebStatFilter.java
index dc413d37f3..4dea2225da 100644
--- a/src/main/java/com/alibaba/druid/support/http/WebStatFilter.java
+++ b/src/main/java/com/alibaba/druid/support/http/WebStatFilter.java
@@ -191,7 +191,7 @@ public class WebStatFilter implements Filter {
 
             if (isProfileEnable()) {
                 Profiler.release(nanos);
-                
+
                 Map<ProfileEntryKey, ProfileEntryReqStat> requestStatsMap = Profiler.getStatsMap();
                 if (uriStat != null) {
                     uriStat.getProfiletat().record(requestStatsMap);
@@ -382,8 +382,9 @@ public class WebStatFilter implements Filter {
         StatFilterContext.getInstance().addContextListener(statFilterContextListener);
 
         this.contextPath = DruidWebUtils.getContextPath(config.getServletContext());
-        webAppStat = new WebAppStat(contextPath, this.sessionStatMaxCount);
-
+        if (webAppStat == null) {
+            webAppStat = new WebAppStat(contextPath, this.sessionStatMaxCount);
+        }
         WebAppStatManager.getInstance().addWebAppStatSet(webAppStat);
     }
 
@@ -412,6 +413,10 @@ public class WebStatFilter implements Filter {
         this.profileEnable = profileEnable;
     }
 
+    public void setWebAppStat(WebAppStat webAppStat) {
+        this.webAppStat = webAppStat;
+    }
+
     public WebAppStat getWebAppStat() {
         return webAppStat;
     }
diff --git a/src/test/java/com/alibaba/druid/bvt/support/http/WebStatFilterTest3_WebURIStatNull.java b/src/test/java/com/alibaba/druid/bvt/support/http/WebStatFilterTest3_WebURIStatNull.java
new file mode 100644
index 0000000000..2394657cc2
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/support/http/WebStatFilterTest3_WebURIStatNull.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright 1999-2011 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.support.http;
+
+import java.util.Map;
+
+import junit.framework.TestCase;
+
+import org.junit.Assert;
+import org.springframework.mock.web.MockFilterChain;
+import org.springframework.mock.web.MockFilterConfig;
+import org.springframework.mock.web.MockHttpServletRequest;
+import org.springframework.mock.web.MockHttpServletResponse;
+import org.springframework.mock.web.MockServletContext;
+
+import com.alibaba.druid.filter.stat.StatFilterContext;
+import com.alibaba.druid.support.http.WebStatFilter;
+import com.alibaba.druid.support.http.stat.WebAppStat;
+import com.alibaba.druid.support.http.stat.WebAppStatManager;
+import com.alibaba.druid.support.http.stat.WebURIStat;
+
+public class WebStatFilterTest3_WebURIStatNull extends TestCase {
+
+    public void test_sessionStatDisable() throws Exception {
+        MockServletContext servletContext = new MockServletContext();
+
+        MockFilterConfig filterConfig = new MockFilterConfig(servletContext);
+        filterConfig.addInitParameter(WebStatFilter.PARAM_NAME_SESSION_STAT_ENABLE, "false");
+
+        WebStatFilter filter = new WebStatFilter();
+        WebAppStat appStat = new WebAppStat() {
+            public WebURIStat getURIStat(String uri, boolean create) {
+                return null;
+            }
+        };
+        filter.setWebAppStat(appStat);
+        filter.setProfileEnable(true);
+
+        Assert.assertNotNull(filter.getWebAppStat());
+
+        filter.init(filterConfig);
+        
+        Assert.assertSame(appStat, filter.getWebAppStat());
+
+        Assert.assertFalse(filter.isSessionStatEnable());
+        Assert.assertTrue(WebAppStatManager.getInstance().getWebAppStatSet().contains(appStat));
+        Assert.assertTrue(StatFilterContext.getInstance().getListeners().contains(filter.getStatFilterContextListener()));
+
+        MockHttpServletRequest request = new MockHttpServletRequest();
+        MockHttpServletResponse response = new MockHttpServletResponse();
+        MockFilterChain chain = new MockFilterChain();
+
+        Assert.assertNull(filter.getSessionStat(request));
+
+        filter.doFilter(request, response, chain);
+
+        Assert.assertEquals(0, appStat.getSessionStatDataList().size());
+
+        filter.destroy();
+        
+        Assert.assertFalse(WebAppStatManager.getInstance().getWebAppStatSet().contains(appStat));
+        Assert.assertFalse(StatFilterContext.getInstance().getListeners().contains(filter.getStatFilterContextListener()));
+        
+        Map<String, Object> statData = appStat.getStatData();
+        Assert.assertEquals(1L, statData.get("RequestCount"));
+    }
+}