diff --git a/meter/zendure/connection.go b/meter/zendure/connection.go
index 8dce525d9..da8194699 100644
--- a/meter/zendure/connection.go
+++ b/meter/zendure/connection.go
@@ -77,6 +77,8 @@ func (c *Connection) handler(data string) {
 			c.log.ERROR.Println(err)
 		}
 
+		c.log.TRACE.Printf("!! data: %+v", v)
+
 		return v
 	})
 }