diff --git a/TensorFlow/contrib/cv/BISIMULATION_ID2029_for_Tensorflow/grid_world.py b/TensorFlow/contrib/cv/BISIMULATION_ID2029_for_Tensorflow/grid_world.py
index c41aeaf551f040c9eec2d014e10371b48821a249..df3aac9fec57f9184a9c1c7bd9bb3a90ac1e4d40 100644
--- a/TensorFlow/contrib/cv/BISIMULATION_ID2029_for_Tensorflow/grid_world.py
+++ b/TensorFlow/contrib/cv/BISIMULATION_ID2029_for_Tensorflow/grid_world.py
@@ -582,7 +582,8 @@ class GridWorld(object):
     config_proto = tf.ConfigProto()
     custom_op = config_proto.graph_options.rewrite_options.custom_optimizers.add()
     custom_op.name = 'NpuOptimizer'
-    custom_op.parameter_map["precision_mode"].s = tf.compat.as_bytes("allow_fp32_to_fp16")
+    custom_op.parameter_map["precision_mode"].s = tf.compat.as_bytes("allow_mix_precision")
+    custom_op.parameter_map["customize_dtypes"].s = tf.compat.as_bytes("./matmul_setting.cfg")
     config = npu_config_proto(config_proto=config_proto)
     with tf.Session(config=config) as sess:
       summary_writer.add_graph(graph=tf.get_default_graph())
diff --git a/TensorFlow/contrib/cv/BISIMULATION_ID2029_for_Tensorflow/matmul_setting.cfg b/TensorFlow/contrib/cv/BISIMULATION_ID2029_for_Tensorflow/matmul_setting.cfg
new file mode 100644
index 0000000000000000000000000000000000000000..3bf1b03dde1dce2e8e9578771c2f9b3784fb89b0
--- /dev/null
+++ b/TensorFlow/contrib/cv/BISIMULATION_ID2029_for_Tensorflow/matmul_setting.cfg
@@ -0,0 +1,3 @@
+OpType::MatMulV2:InputDtype:float16,float16,float32,OutputDtype:float32
+OpType::BatchMatMul:InputDtype:float16,float16,OutputDtype:float32
+OpType::BatchMatMulV2:InputDtype:float16,float16,OutputDtype:float32