diff --git a/src/Server/JsonRpcBase.php b/src/Server/JsonRpcBase.php
new file mode 100644
index 0000000..4291e81
--- /dev/null
+++ b/src/Server/JsonRpcBase.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace JsonRpc\Server;
+
+class JsonRpcBase
+{
+    const Rpc_Error_Parse_Error = -32700; //Parse error语法解析错误 服务端接收到无效的json。该错误发送于服务器尝试解析json文本
+    const Rpc_Error_Invalid_Request = -32600; //Invalid Request无效请求	发送的json不是一个有效的请求对象。
+    const Rpc_Error_NOT_FOUND = -32601;//Method not found找不到方法
+    const Rpc_Error_Invalid_Params = -32602; //Invalid params无效的参数
+    const Rpc_Error_Internal_Error = -32603;//Internal error内部错误
+    const Rpc_Error_System_Error = -32400; // system error 业务产生错误
+
+    /**
+     * -32000 to 32099 自定义错误
+     */
+    const Rpc_Success = 0;
+
+
+    const ErrorMsg = [
+        self::Rpc_Error_NOT_FOUND => 'Method not found',
+        self::Rpc_Error_Parse_Error => 'Json parse error',
+        self::Rpc_Error_Invalid_Request => 'Invalid request',
+        self::Rpc_Error_Invalid_Params => 'Invalid params',
+        self::Rpc_Error_Internal_Error => 'Internal error',
+        self::Rpc_Error_System_Error => 'System error',
+        self::Rpc_Success => 'Success'
+    ];
+}
\ No newline at end of file
diff --git a/src/Server/JsonRpcMethod.php b/src/Server/JsonRpcMethod.php
index 555e5c6..4f280bc 100644
--- a/src/Server/JsonRpcMethod.php
+++ b/src/Server/JsonRpcMethod.php
@@ -3,8 +3,9 @@
 namespace JsonRpc\Server;
 
 use Illuminate\Http\JsonResponse;
+use JsonRpc\Exception\RpcServerException;
 
-class JsonRpcMethod
+class JsonRpcMethod extends JsonRpcBase
 {
     protected $id;
     protected $request;
@@ -24,8 +25,14 @@ class JsonRpcMethod
         ];
     }
 
+    /**
+     * @param $code
+     * @param $msg
+     * @return array
+     */
     public function error($code, $msg)
     {
+
         return [
             'jsonrpc' => '2.0',
             'error' => [
diff --git a/src/Server/JsonRpcServer.php b/src/Server/JsonRpcServer.php
index 1131403..3f48327 100644
--- a/src/Server/JsonRpcServer.php
+++ b/src/Server/JsonRpcServer.php
@@ -6,24 +6,8 @@ namespace JsonRpc\Server;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
 
-class JsonRpcServer
+class JsonRpcServer extends JsonRpcBase
 {
-    const Rpc_Error_Parse_Error = -32700;
-    const Rpc_Error_Invalid_Request = -32600;
-    const Rpc_Error_NOT_FOUND = -32601;
-    const Rpc_Error_Invalid_Params = -32602;
-    const Rpc_Error_Internal_Error = -32603;
-    const Rpc_Success = 0;
-
-
-    const ErrorMsg = [
-        self::Rpc_Error_NOT_FOUND => 'Method not found',
-        self::Rpc_Error_Parse_Error => 'Json parse error',
-        self::Rpc_Error_Invalid_Request => 'Invalid request',
-        self::Rpc_Error_Invalid_Params => 'Invalid params',
-        self::Rpc_Success => 'Success'
-    ];
-
     /**
      * @var Request
      */