diff --git a/dubbo-rpc-injvm/src/test/java/com/alibaba/dubbo/rpc/protococol/injvm/IEcho.java b/dubbo-rpc-injvm/src/test/java/com/alibaba/dubbo/rpc/protococol/injvm/IEcho.java
new file mode 100644
index 0000000000..452fab5cd3
--- /dev/null
+++ b/dubbo-rpc-injvm/src/test/java/com/alibaba/dubbo/rpc/protococol/injvm/IEcho.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 1999-2011 Alibaba Group.
+ *  
+ * 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.dubbo.rpc.protococol.injvm;
+
+public interface IEcho {
+    String echo(String e);
+}
\ No newline at end of file
diff --git a/dubbo-rpc-injvm/src/test/java/com/alibaba/dubbo/rpc/protococol/injvm/ProtocolTest.java b/dubbo-rpc-injvm/src/test/java/com/alibaba/dubbo/rpc/protococol/injvm/ProtocolTest.java
index 1105de78bf..d21ee1cdf8 100644
--- a/dubbo-rpc-injvm/src/test/java/com/alibaba/dubbo/rpc/protococol/injvm/ProtocolTest.java
+++ b/dubbo-rpc-injvm/src/test/java/com/alibaba/dubbo/rpc/protococol/injvm/ProtocolTest.java
@@ -26,7 +26,6 @@ import com.alibaba.dubbo.common.URL;
 import com.alibaba.dubbo.rpc.Invoker;
 import com.alibaba.dubbo.rpc.Protocol;
 import com.alibaba.dubbo.rpc.ProxyFactory;
-import com.alibaba.dubbo.rpc.support.IEcho;
 
 /**
  * @author ding.lid