From 21bcf680cc9dfeaf4dfd3ffe4c1bf1a1046de91d Mon Sep 17 00:00:00 2001
From: owen05 <liuhongnan53@163.com>
Date: Wed, 15 Sep 2021 09:36:13 +0800
Subject: [PATCH] fix

---
 contracts/NFTPool/impl/FilterERC1155V1.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contracts/NFTPool/impl/FilterERC1155V1.sol b/contracts/NFTPool/impl/FilterERC1155V1.sol
index 5cbf06f..8274166 100644
--- a/contracts/NFTPool/impl/FilterERC1155V1.sol
+++ b/contracts/NFTPool/impl/FilterERC1155V1.sol
@@ -184,8 +184,8 @@ contract FilterERC1155V1 is IERC1155Receiver, BaseFilterV1 {
         inAmount = currentAmount.sub(_NFT_RESERVE_[tokenId]);
         if (_NFT_RESERVE_[tokenId] == 0 && currentAmount > 0) {
             _NFT_IDS_.push(tokenId);
+            _TOKENID_IDX_[tokenId] = _NFT_IDS_.length;
         }
-        _TOKENID_IDX_[tokenId] = _NFT_IDS_.length;
         _NFT_RESERVE_[tokenId] = currentAmount;
         _TOTAL_NFT_AMOUNT_ += inAmount;
     }