fix 不是设备id数组的bug

lib/app_push/huawei.rb

@@ -15,6 +15,7 @@ module AppPush
       end
 
       def push(device_tokens, message)
+        device_tokens = Array(device_tokens) unless device_tokens.instance_of? Array
         handle_token_res if access_token.blank? || (expire_time.present? && Time.now >= expire_time)
         device_tokens.each_slice(100) do |device_token_array|
           res_push(message, device_token_array)

lib/app_push/version.rb

 module AppPush
-  VERSION = "0.1.2"
+  VERSION = "0.1.21"
 end