diff --git a/index.d.ts b/index.d.ts
index 728284a0..ea153200 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -624,7 +624,7 @@ declare module 'binance-api-node' {
     }): Promise<AggregatedTrade[]>
     futuresTrades(options: { symbol: string; limit?: number }): Promise<TradeResult[]>
     futuresUserTrades(options: {
-      symbol: string
+      symbol?: string
       startTime?: number
       endTime?: number
       fromId?: number
@@ -1163,6 +1163,8 @@ declare module 'binance-api-node' {
 
   export interface TrailingStopMarketNewFuturesOrder extends NewFuturesOrderBase {
     type: 'TRAILING_STOP_MARKET'
+      
+    quantity?:string
     // default as the latest price(supporting different workingType)
     activationPrice?: string
     // min 0.1, max 5 where 1 for 1%