diff --git a/model/acl_aipp.cpp b/model/acl_aipp.cpp
index 1d3bf3a24e30a450e804f884d4366165d26b10e6..7c9e021b64c97fa3c4c5ddf3db79e20e0085ae9e 100755
--- a/model/acl_aipp.cpp
+++ b/model/acl_aipp.cpp
@@ -31,6 +31,7 @@
 #include "utils/math_utils.h"
 
 namespace {
+
 constexpr int16_t FP16_MAX_EXP = 0x001F;
 constexpr int16_t FP16_MAX_MAN = 0x03FF;
 constexpr int16_t FP16_MAN_HIDE_BIT = 0x0400;