diff --git a/src/tim/vx/ops/README.md b/src/tim/vx/ops/README.md
index e95f9cb..6660c99 100644
--- a/src/tim/vx/ops/README.md
+++ b/src/tim/vx/ops/README.md
@@ -94,20 +94,20 @@ ScatterND|SCATTER_ND|Mapped|[tf.scatter_nd](https://tensorflow.google.cn/api_doc
 ||MATRIXMUL|Planned 21Q2|[tf.experimental.numpy.matmul](https://www.tensorflow.org/api_docs/python/tf/experimental/numpy/matmul)
 Unstack|UNSTACK|Mapped|[tf.unstack](https://tensorflow.google.cn/api_docs/python/tf/unstack)
 Tile|TILE|Mapped|[tf.tile](https://tensorflow.google.cn/api_docs/python/tf/tile)
-||TOPK|Planned 21Q2|[tf.math.top_k](https://tensorflow.google.cn/api_docs/python/tf/math/top_k)
 GroupedConv2d|GROUPED_CONV2D|Mapped|[ANEURALNETWORKS_GROUPED_CONV_2D](https://developer.android.com/ndk/reference/group/neural-networks#group___neural_networks_1ggaabbe492c60331b13038e39d4207940e0a847acf8d9f3d2343328c3dbe6d447c50)
 ||PROPOSAL|Planned 21Q3|[Faster-RCNN Proposal Layer](https://github.com/intel/caffe/blob/master/examples/faster-rcnn/lib/rpn/proposal_layer.py)
 ||ROI_POOL|Planned 21Q3|[ANEURALNETWORKS_ROI_POOLING](https://developer.android.com/ndk/reference/group/neural-networks#group___neural_networks_1ggaabbe492c60331b13038e39d4207940e0a6736198af337b2efbdb0b6b64dee7fe4)
 ||ROI_ALIGN|Planned 21Q3|[ANEURALNETWORKS_ROI_ALIGN](https://developer.android.com/ndk/reference/group/neural-networks#group___neural_networks_1ggaabbe492c60331b13038e39d4207940e0a2848b39dd4bfba78f2438fda0d9397a4)
 ||SHUFFLECHANNEL|Planned 21Q3|[ANEURALNETWORKS_CHANNEL_SHUFFLE](https://developer.android.com/ndk/reference/group/neural-networks#group___neural_networks_1ggaabbe492c60331b13038e39d4207940e0a5b993c1211c4b1bc52fb595a3025251d)
 ||SIGNAL_FRAME|Planned 21Q3|[tf.signal.frame](https://tensorflow.google.cn/api_docs/python/tf/signal/frame)
+||TOPK|Planned 21Q3|[tf.math.top_k](https://tensorflow.google.cn/api_docs/python/tf/math/top_k)
 |GRUCell|GRUCELL_OVXLIB|Planned 21Q3|[tf.keras.layers.GRUCell](https://tensorflow.google.cn/api_docs/python/tf/keras/layers/GRUCell?hl=en)
-|UnidirectionalSequenceGRU|GRU_OVXLIB|Planned 21Q3|[tf.keras.layers.GRU](https://tensorflow.google.cn/api_docs/python/tf/keras/layers/GRUCell?hl=en)
-|UnidirectionalSequenceRNN|UNIDIRECTIONAL_SEQUENCE_RNN|Planned 21Q3|[ANEURALNETWORKS_UNIDIRECTIONAL_SEQUENCE_RNN](https://developer.android.com/ndk/reference/group/neural-networks#group___neural_networks_1ggaabbe492c60331b13038e39d4207940e0ae11aa1d461d2abaa117f6ee2cb503dd8)
-|BidirectionalSequenceRNN|BIDIRECTIONAL_SEQUENCE_RNN|Planned 21Q3|[ANEURALNETWORKS_BIDIRECTIONAL_SEQUENCE_RNN](https://developer.android.com/ndk/reference/group/neural-networks#group___neural_networks_1ggaabbe492c60331b13038e39d4207940e0a487fc5ae247de828f13e62b99f259f3c)
+|UnidirectionalSequenceGRU|GRU_OVXLIB|Planned 21Q4|[tf.keras.layers.GRU](https://tensorflow.google.cn/api_docs/python/tf/keras/layers/GRUCell?hl=en)
+|UnidirectionalSequenceRNN|UNIDIRECTIONAL_SEQUENCE_RNN|Planned 21Q4|[ANEURALNETWORKS_UNIDIRECTIONAL_SEQUENCE_RNN](https://developer.android.com/ndk/reference/group/neural-networks#group___neural_networks_1ggaabbe492c60331b13038e39d4207940e0ae11aa1d461d2abaa117f6ee2cb503dd8)
+|BidirectionalSequenceRNN|BIDIRECTIONAL_SEQUENCE_RNN|Planned 21Q4|[ANEURALNETWORKS_BIDIRECTIONAL_SEQUENCE_RNN](https://developer.android.com/ndk/reference/group/neural-networks#group___neural_networks_1ggaabbe492c60331b13038e39d4207940e0a487fc5ae247de828f13e62b99f259f3c)
 |RNNCell|RNNCELL_OVXLIB|Planned 21Q3|[ANEURALNETWORKS_RNN](https://developer.android.com/ndk/reference/group/neural-networks#group___neural_networks_1ggaabbe492c60331b13038e39d4207940e0acd2684ac9c73bb29767b534e78a332e8)
-|BidirectionalSequenceLSTM|BIDIRECTIONAL_SEQUENCE_LSTM|Planned 21Q3|[ANEURALNETWORKS_BIDIRECTIONAL_SEQUENCE_LSTM](https://developer.android.com/ndk/reference/group/neural-networks#group___neural_networks_1ggaabbe492c60331b13038e39d4207940e0a492a71cb7aa50b9a1a834a3cb269d778)
-|UnidirectionalSequenceLSTM|LSTM_OVXLIB|Planned 21Q3|[ANEURALNETWORKS_UNIDIRECTIONAL_SEQUENCE_LSTM](https://developer.android.com/ndk/reference/group/neural-networks#group___neural_networks_1ggaabbe492c60331b13038e39d4207940e0aaf30e491ad0b1fc7602cbde695b2c859)
+|BidirectionalSequenceLSTM|BIDIRECTIONAL_SEQUENCE_LSTM|Planned 21Q4|[ANEURALNETWORKS_BIDIRECTIONAL_SEQUENCE_LSTM](https://developer.android.com/ndk/reference/group/neural-networks#group___neural_networks_1ggaabbe492c60331b13038e39d4207940e0a492a71cb7aa50b9a1a834a3cb269d778)
+|UnidirectionalSequenceLSTM|LSTM_OVXLIB|Planned 21Q4|[ANEURALNETWORKS_UNIDIRECTIONAL_SEQUENCE_LSTM](https://developer.android.com/ndk/reference/group/neural-networks#group___neural_networks_1ggaabbe492c60331b13038e39d4207940e0aaf30e491ad0b1fc7602cbde695b2c859)
 |LSTMCell|LSTMUNIT_OVXLIB|Planned 21Q3|[ANEURALNETWORKS_LSTM](https://developer.android.com/ndk/reference/group/neural-networks#group___neural_networks_1ggaabbe492c60331b13038e39d4207940e0ad0377e8c305e596fb7f64ff896671fc5)
 ||PRE_PROCESS|Planned 21Q4|Image Preprocessing (YUV2RGB, Input Normalization, Resizing, etc)
 ||HASHTABLE_LOOKUP|Planned 21Q4|[ANEURALNETWORKS_HASHTABLE_LOOKUP](https://developer.android.com/ndk/reference/group/neural-networks#group___neural_networks_1ggaabbe492c60331b13038e39d4207940e0aca92716c8c73c1f0fa7f0757916fee26)