diff --git a/CHANGES.md b/CHANGES.md
index bf8c6b794..c8d1cc66d 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -19,6 +19,7 @@ Release Notes.
 * Fix NPE in the nutz plugin.
 * Provide Apache Commons DBCP 2.x plugin.
 * Add the plugin for mssql-jtds 1.x plugin.
+* Fix the default ignore mechanism isn't accurate enough bug.
 
 #### OAP-Backend
 * Add the `@SuperDataset` annotation for BrowserErrorLog.
diff --git a/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/context/ContextManagerExtendService.java b/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/context/ContextManagerExtendService.java
index 9bbfe7a11..8f0bef058 100644
--- a/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/context/ContextManagerExtendService.java
+++ b/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/context/ContextManagerExtendService.java
@@ -27,8 +27,13 @@ import org.apache.skywalking.apm.agent.core.remote.GRPCChannelManager;
 import org.apache.skywalking.apm.agent.core.remote.GRPCChannelStatus;
 import org.apache.skywalking.apm.agent.core.sampling.SamplingService;
 
+import java.util.Arrays;
+
 @DefaultImplementor
 public class ContextManagerExtendService implements BootService, GRPCChannelListener {
+    
+    private String[] ignoreSuffixArray = new String[0];
+    
     private volatile GRPCChannelStatus status = GRPCChannelStatus.DISCONNECT;
 
     @Override
@@ -38,7 +43,7 @@ public class ContextManagerExtendService implements BootService, GRPCChannelList
 
     @Override
     public void boot() {
-
+        ignoreSuffixArray = Config.Agent.IGNORE_SUFFIX.split(",");
     }
 
     @Override
@@ -61,7 +66,7 @@ public class ContextManagerExtendService implements BootService, GRPCChannelList
         }
 
         int suffixIdx = operationName.lastIndexOf(".");
-        if (suffixIdx > -1 && Config.Agent.IGNORE_SUFFIX.contains(operationName.substring(suffixIdx))) {
+        if (suffixIdx > -1 && Arrays.stream(ignoreSuffixArray).anyMatch(a -> a.equals(operationName.substring(suffixIdx)))) {
             context = new IgnoredTracerContext();
         } else {
             SamplingService samplingService = ServiceManager.INSTANCE.findService(SamplingService.class);
diff --git a/apm-sniffer/apm-agent-core/src/test/java/org/apache/skywalking/apm/agent/core/context/ContextManagerExtendServiceTest.java b/apm-sniffer/apm-agent-core/src/test/java/org/apache/skywalking/apm/agent/core/context/ContextManagerExtendServiceTest.java
new file mode 100644
index 000000000..295b27a6b
--- /dev/null
+++ b/apm-sniffer/apm-agent-core/src/test/java/org/apache/skywalking/apm/agent/core/context/ContextManagerExtendServiceTest.java
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.skywalking.apm.agent.core.context;
+
+import org.apache.skywalking.apm.agent.core.boot.ServiceManager;
+import org.apache.skywalking.apm.agent.core.conf.Config;
+import org.apache.skywalking.apm.agent.core.test.tools.AgentServiceRule;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.Assert;
+
+public class ContextManagerExtendServiceTest {
+
+    @Rule
+    public AgentServiceRule serviceRule = new AgentServiceRule();
+
+    @BeforeClass
+    public static void beforeClass() {
+        Config.Agent.KEEP_TRACING = true;
+    }
+
+    @AfterClass
+    public static void afterClass() {
+        Config.Agent.KEEP_TRACING = false;
+        ServiceManager.INSTANCE.shutdown();
+    }
+
+    @Test
+    public void testRequestUrlCreateTraceContext() {
+        ContextManagerExtendService extendService = ServiceManager.INSTANCE.findService(ContextManagerExtendService.class);
+
+        AbstractTracerContext tracerContext = extendService.createTraceContext("/app/demo/index.html", false);
+        String traceId = tracerContext.getReadablePrimaryTraceId();
+        Assert.assertEquals("Ignored_Trace", traceId);
+
+        tracerContext = extendService.createTraceContext("/app/demo/index.htm", false);
+        traceId = tracerContext.getReadablePrimaryTraceId();
+        Assert.assertNotEquals("Ignored_Trace", traceId);
+    }
+
+}