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websocket/idcolWss.php

@@ -108,7 +108,7 @@ $ws_worker->onWorkerStart = function($ws_worker)
                                 $file_path .= '0';
                             }
                             $cmd .= $file_path;
-                            $cmd = crc16(unpack('H*', $cmd));
+                            $cmd = crc16(pack('H*', $cmd));
                             $mqtt->publish($topick.$address, unpack('H*', $cmd));
 
                             $index = strtolower($address);