优化内存池

rpc/rpc.go

@@ -104,7 +104,10 @@ func (call *Call) Clear() *Call{
 	call.ServiceMethod = ""
 	call.Reply = nil
 	call.Response = nil
-	call.done = nil
+	if len(call.done)>0 {
+		call.done = make(chan *Call,1)
+	}
+
 	call.Err = nil
 	call.connId = 0
 	call.callback = nil

rpc/server.go

@@ -268,7 +268,11 @@ func (server *Server) selfNodeRpcHandlerGo(processor IRpcProcessor,client *Clien
 				ReleaseCall(pCall)
 				return
 			}
-			pCall.Err = Err
+			if len(Err) == 0 {
+				pCall.Err = nil
+			}else{
+				pCall.Err = Err
+			}
 			pCall.done <- pCall
 		}
 	}