diff --git a/src/ios_io/op_symbols.h b/src/ios_io/op_symbols.h
index 89b43a0418aecf01968d70475837dea5a80bee2f..0fe1137278d19ab4c9c9aaecf2db108e4a184993 100644
--- a/src/ios_io/op_symbols.h
+++ b/src/ios_io/op_symbols.h
@@ -18,15 +18,15 @@
 #include "operators/box_coder_op.h"
 #include "operators/concat_op.h"
 #include "operators/conv_op.h"
-#include "operators/dropout_op.h"
 #include "operators/depthwise_conv_op.h"
-#include "operators/fusion_conv_bn_relu_op.h"
-#include "operators/fusion_dwconv_bn_relu_op.h"
+#include "operators/dropout_op.h"
 #include "operators/elementwise_add_op.h"
 #include "operators/feed_op.h"
 #include "operators/fetch_op.h"
 #include "operators/fusion_conv_add.h"
 #include "operators/fusion_conv_add_bn_relu_op.h"
+#include "operators/fusion_conv_bn_relu_op.h"
+#include "operators/fusion_dwconv_bn_relu_op.h"
 #include "operators/fusion_fc_op.h"
 #include "operators/im2sequence_op.h"
 #include "operators/lrn_op.h"
diff --git a/src/operators/math/pool_2x2.cpp b/src/operators/math/pool_2x2.cpp
index 0ee9167c161150eff41895e764a101a9c1f411f5..9dc3dbafed990de2f4057d98a2accdd8ce2fd7db 100644
--- a/src/operators/math/pool_2x2.cpp
+++ b/src/operators/math/pool_2x2.cpp
@@ -69,7 +69,7 @@ void Pool2x2Maxs2p0(vector<int> strides, vector<int> paddings,
 #if __ARM_NEON
 #if __aarch64__
 #else
-         asm volatile(
+        asm volatile(
             "subs       %[w1], %[w1], #1        \n\t"
             "blt        end_w1_%=               \n\t"
             "loop_w1_%=:                        \n\t"