改回必须有ask和bids才可以

baseCollector.js

@@ -26,7 +26,7 @@ class BaseCollector {
    * @private
    */
   _publishDataForStrategy3(asks, bids, symbol, timeStamp,version) {
-    if(!asks.length && !bids.length){
+    if(!asks.length || !bids.length){
       return;
     }
     const realSymbol = this._convertSymbolName(symbol);