fix issue #255 : sendmore can not send to multiple receivers in json-rpc calling
fix issue #255 : sendmore can not send to multiple receivers in json-rpc calling

mvs-live/metaverse,mvs-live/metaverse,mvs-org/metaverse,mvs-org/metaverse,mvs-org/metaverse,mvs-org/metaverse,the-metaverse/metaverse,mvs-org/metaverse,the-metaverse/metaverse,the-metaverse/metaverse,mvs-org/metaverse