     json: false
     forever:true
     timeout: 7000
-    maxAttempts: 9  #// (default) try 5 times
+    maxAttempts: 9  #// (default) try 9 times
     retryDelay: 1000  #// (default) wait for 5s before trying again
     retryStrategy: myRetryStrategy
 

          each.volume = Number each.volume
          #console.log each
      else
        return retry('數據長度為 0')

      if res?.attempts > 1
        console.log(param.symbol,'數據請求次數: ', res.attempts)



    if error?
      return 徹底重連重下(error)
    else
      arr = null
      try
        arr = eval string
      catch error
        return 徹底重連重下(error)

      if arr?.length > 0 # 必須這樣寫,不能簡化為: for each in arr?
        for each in arr
