diff --git a/ppcls/modeling/architectures/vgg.py b/ppcls/modeling/architectures/vgg.py
index ccb94a9fccca7a967b653f26d764ed747322212b..06ba8d08c323da0a1c1d6bcfcca104817085885d 100644
--- a/ppcls/modeling/architectures/vgg.py
+++ b/ppcls/modeling/architectures/vgg.py
@@ -113,7 +113,8 @@ class VGGNet(nn.Layer):
         x = self._conv_block_4(x)
         x = self._conv_block_5(x)
 
-        x = paddle.reshape(x, [-1, x.shape[1]*x.shape[2]*x.shape[3]])
+        _, c, h, w = list(x.shape)
+        x = paddle.reshape(x, [-1, c * h * w])
         x = self._fc1(x)
         x = F.relu(x)
         x = self._drop(x)
diff --git a/tools/infer/utils.py b/tools/infer/utils.py
index f299189047eeca402745ed7153132bc362326570..9ea5e35422c57db49391a2e0551376068929e782 100644
--- a/tools/infer/utils.py
+++ b/tools/infer/utils.py
@@ -41,6 +41,7 @@ def parse_args():
     parser.add_argument("--ir_optim", type=str2bool, default=True)
     parser.add_argument("--use_tensorrt", type=str2bool, default=False)
     parser.add_argument("--gpu_mem", type=int, default=8000)
+    parser.add_argument("--enable_profile", type=str2bool, default=False)
     parser.add_argument("--enable_benchmark", type=str2bool, default=False)
     parser.add_argument("--top_k", type=int, default=1)
     parser.add_argument("--enable_mkldnn", type=str2bool, default=False)
@@ -81,6 +82,8 @@ def create_paddle_predictor(args):
             config.enable_mkldnn()
     config.set_cpu_math_library_num_threads(args.cpu_num_threads)
 
+    if args.enable_profile:
+        config.enable_profile()
     config.disable_glog_info()
     config.switch_ir_optim(args.ir_optim)  # default true
     if args.use_tensorrt: