diff --git a/sop-support/sop-service-support/pom.xml b/sop-support/sop-service-support/pom.xml
index 91dbfd49..878df406 100755
--- a/sop-support/sop-service-support/pom.xml
+++ b/sop-support/sop-service-support/pom.xml
@@ -15,11 +15,6 @@
     </properties>
 
     <dependencies>
-        <dependency>
-            <groupId>com.alibaba</groupId>
-            <artifactId>transmittable-thread-local</artifactId>
-            <version>2.14.5</version>
-        </dependency>
         <dependency>
             <groupId>org.apache.dubbo</groupId>
             <artifactId>dubbo</artifactId>
diff --git a/sop-support/sop-service-support/src/main/java/com/gitee/sop/support/context/OpenContext.java b/sop-support/sop-service-support/src/main/java/com/gitee/sop/support/context/OpenContext.java
index ced300d0..2b7b5185 100755
--- a/sop-support/sop-service-support/src/main/java/com/gitee/sop/support/context/OpenContext.java
+++ b/sop-support/sop-service-support/src/main/java/com/gitee/sop/support/context/OpenContext.java
@@ -1,7 +1,5 @@
 package com.gitee.sop.support.context;
 
-import com.alibaba.ttl.TransmittableThreadLocal;
-
 import java.util.Locale;
 
 /**
@@ -9,7 +7,7 @@ import java.util.Locale;
  */
 public abstract class OpenContext {
 
-    private static final ThreadLocal<OpenContext> THREAD_LOCAL = new TransmittableThreadLocal<>();
+    private static final ThreadLocal<OpenContext> THREAD_LOCAL = new InheritableThreadLocal<>();
 
     /**
      * 获取appId
diff --git a/sop-support/sop-service-support/src/main/java/com/gitee/sop/support/context/WebContext.java b/sop-support/sop-service-support/src/main/java/com/gitee/sop/support/context/WebContext.java
index f818f4f6..e0ec4e42 100644
--- a/sop-support/sop-service-support/src/main/java/com/gitee/sop/support/context/WebContext.java
+++ b/sop-support/sop-service-support/src/main/java/com/gitee/sop/support/context/WebContext.java
@@ -1,7 +1,5 @@
 package com.gitee.sop.support.context;
 
-import com.alibaba.ttl.TransmittableThreadLocal;
-
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
@@ -11,7 +9,7 @@ import java.util.Map;
  */
 public abstract class WebContext {
 
-    private static final ThreadLocal<WebContext> THREAD_LOCAL = new TransmittableThreadLocal<>();
+    private static final ThreadLocal<WebContext> THREAD_LOCAL = new InheritableThreadLocal<>();
 
 
     public abstract String getMethod();
diff --git a/sop-support/sop-service-support/src/main/java/com/gitee/sop/support/dubbo/SopPenetrateAttachmentSelector.java b/sop-support/sop-service-support/src/main/java/com/gitee/sop/support/dubbo/SopPenetrateAttachmentSelector.java
new file mode 100644
index 00000000..404d0bd8
--- /dev/null
+++ b/sop-support/sop-service-support/src/main/java/com/gitee/sop/support/dubbo/SopPenetrateAttachmentSelector.java
@@ -0,0 +1,34 @@
+package com.gitee.sop.support.dubbo;
+
+import com.gitee.sop.support.constant.SopConstants;
+import org.apache.dubbo.rpc.Invocation;
+import org.apache.dubbo.rpc.PenetrateAttachmentSelector;
+import org.apache.dubbo.rpc.RpcContextAttachment;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author 六如
+ */
+public class SopPenetrateAttachmentSelector implements PenetrateAttachmentSelector {
+    @Override
+    public Map<String, Object> select(Invocation invocation, RpcContextAttachment clientAttachment, RpcContextAttachment serverAttachment) {
+        Map<String, Object> map = new HashMap<>(4);
+        Object openContext = serverAttachment.getObjectAttachment(SopConstants.OPEN_CONTEXT);
+        if (openContext != null) {
+            map.put(SopConstants.OPEN_CONTEXT, openContext);
+        }
+        Object webContext = serverAttachment.getObjectAttachment(SopConstants.WEB_CONTEXT);
+        if (webContext != null) {
+            map.put(SopConstants.WEB_CONTEXT, webContext);
+        }
+        return map;
+    }
+
+    @Override
+    public Map<String, Object> selectReverse(Invocation invocation, RpcContextAttachment clientResponseContext, RpcContextAttachment serverResponseContext) {
+        return Collections.emptyMap();
+    }
+}
diff --git a/sop-support/sop-service-support/src/main/resources/META-INF/dubbo/internal/org.apache.dubbo.rpc.PenetrateAttachmentSelector.PenetrateAttachmentSelector b/sop-support/sop-service-support/src/main/resources/META-INF/dubbo/internal/org.apache.dubbo.rpc.PenetrateAttachmentSelector.PenetrateAttachmentSelector
new file mode 100644
index 00000000..db86c3c3
--- /dev/null
+++ b/sop-support/sop-service-support/src/main/resources/META-INF/dubbo/internal/org.apache.dubbo.rpc.PenetrateAttachmentSelector.PenetrateAttachmentSelector
@@ -0,0 +1 @@
+sopPenetrateAttachmentSelector=com.gitee.sop.support.dubbo.SopPenetrateAttachmentSelector