diff --git a/ACL_TensorFlow/built-in/cv/Facenet_for_ACL/README.md b/ACL_TensorFlow/built-in/cv/Facenet_for_ACL/README.md
index 4b581197385b3ff6f90f2d11107275d2ccf33b53..e7d80b211622743e1f5f787e761b90255adec63e 100644
--- a/ACL_TensorFlow/built-in/cv/Facenet_for_ACL/README.md
+++ b/ACL_TensorFlow/built-in/cv/Facenet_for_ACL/README.md
@@ -50,7 +50,28 @@ python3 pb_to_pbtxt.py 20180408-102900.pb
 
 1.删除第一个节点batch_size
 
-2.第二个节点phase_train的op修改为const
+2.第二个节点phase_train修改为:
+node {
+  name: "phase_train"
+  op: "Const"
+  attr {
+    key: "dtype"
+    value {
+      type: DT_BOOL
+    }
+  }
+  attr {
+    key: "value"
+    value {
+      tensor {
+        dtype: DT_BOOL
+        tensor_shape {
+        }
+        bool_val: false
+      }
+    }
+  }
+}
 
 3.删除第三个节点batch_join/fifo_queue
 
diff --git a/ACL_TensorFlow/built-in/cv/Facenet_for_ACL/script/preprocess_data.py b/ACL_TensorFlow/built-in/cv/Facenet_for_ACL/script/preprocess_data.py
index 5d839bb5a818290bab2c40deaca94c0a965ec0ad..0eedf0c7eed64693aee1ddcc94192fabcad8d6c7 100644
--- a/ACL_TensorFlow/built-in/cv/Facenet_for_ACL/script/preprocess_data.py
+++ b/ACL_TensorFlow/built-in/cv/Facenet_for_ACL/script/preprocess_data.py
@@ -149,7 +149,7 @@ def main(args):
             control_placeholder = tf.compat.v1.placeholder(tf.int32, shape=(None, 1), name='control')
             phase_train_placeholder = tf.compat.v1.placeholder(tf.bool, name='phase_train')
 
-            nrof_preprocess_threads = 4
+            nrof_preprocess_threads = 1
             image_size = (args.image_size, args.image_size)
             eval_input_queue = data_flow_ops.FIFOQueue(capacity=2000000,
                                                        dtypes=[tf.string, tf.int32, tf.int32],
diff --git a/ACL_TensorFlow/built-in/cv/Facenet_for_ACL/script/preprocess_data_forquant.py b/ACL_TensorFlow/built-in/cv/Facenet_for_ACL/script/preprocess_data_fp32.py
similarity index 97%
rename from ACL_TensorFlow/built-in/cv/Facenet_for_ACL/script/preprocess_data_forquant.py
rename to ACL_TensorFlow/built-in/cv/Facenet_for_ACL/script/preprocess_data_fp32.py
index 8563095c50cc224d5390af262ca4e61253925334..f2e7b62b7f79a56dbc95430a7004e9ac9751761b 100644
--- a/ACL_TensorFlow/built-in/cv/Facenet_for_ACL/script/preprocess_data_forquant.py
+++ b/ACL_TensorFlow/built-in/cv/Facenet_for_ACL/script/preprocess_data_fp32.py
@@ -150,7 +150,7 @@ def main(args):
             control_placeholder = tf.compat.v1.placeholder(tf.int32, shape=(None, 1), name='control')
             phase_train_placeholder = tf.compat.v1.placeholder(tf.bool, name='phase_train')
 
-            nrof_preprocess_threads = 4
+            nrof_preprocess_threads = 1
             image_size = (args.image_size, args.image_size)
             eval_input_queue = data_flow_ops.FIFOQueue(capacity=2000000,
                                                        dtypes=[tf.string, tf.int32, tf.int32],