diff --git a/src/ir_decoder/CMakeLists.txt b/src/ir_decoder/CMakeLists.txt
index 4887d9c..946d687 100644
--- a/src/ir_decoder/CMakeLists.txt
+++ b/src/ir_decoder/CMakeLists.txt
@@ -44,5 +44,5 @@ set(SOURCE_FILES_SHARED_LIB
         irda_utils.c
         include/irda_utils.h)
 
-# add_executable(irda_decoder ${SOURCE_FILES_EXECUTABLE})
-add_library(irda_decoder SHARED ${SOURCE_FILES_SHARED_LIB})
+add_executable(irda_decoder ${SOURCE_FILES_EXECUTABLE})
+# add_library(irda_decoder SHARED ${SOURCE_FILES_SHARED_LIB})
diff --git a/src/ir_decoder/include/irda_decode.h b/src/ir_decoder/include/irda_decode.h
index 48d59a5..6b96a05 100644
--- a/src/ir_decoder/include/irda_decode.h
+++ b/src/ir_decoder/include/irda_decode.h
@@ -434,6 +434,7 @@ extern protocol* context;
 extern remote_ac_status_t ac_status;
 extern UINT16 user_data[];
 
+
 /* exported functions */
 ///////////////////////////////////////////////// AC Begin /////////////////////////////////////////////////
 /*
@@ -515,7 +516,7 @@ extern INT8 irda_tv_lib_parse(UINT8 irda_hex_encode);
  *
  * return: length of wave code array
  */
-extern UINT16 irda_tv_lib_control(UINT8 key_code, UINT16 * l_user_data);
+extern UINT16 irda_tv_lib_control(UINT8 key_code, UINT16* user_data);
 
 /*
  * function irda_tv_lib_close
@@ -575,7 +576,7 @@ extern INT8 get_supported_swing(UINT8 ac_mode, UINT8* supported_swing);
  *
  * return: IR_DECODE_SUCCEEDED / IR_DECODE_FAILED
  */
-INT8 get_supported_wind_direction(UINT8* supported_wind_direction);
+extern INT8 get_supported_wind_direction(UINT8* supported_wind_direction);
 
 ///////////////////////////////////////////////// Utils End /////////////////////////////////////////////////
 
diff --git a/src/ir_decoder/ir_decode.def b/src/ir_decoder/ir_decode.def
index 1ccec99..4c67494 100644
--- a/src/ir_decoder/ir_decode.def
+++ b/src/ir_decoder/ir_decode.def
@@ -15,6 +15,4 @@ get_temperature_range @10
 get_supported_mode @11
 get_supported_wind_speed @12
 get_supported_swing @13
-get_supported_wind_direction @14
-irda_ac_file_open @15
-irda_tv_file_open @16
\ No newline at end of file
+get_supported_wind_direction @14
\ No newline at end of file
diff --git a/src/ir_decoder/ir_decoder.vcxproj b/src/ir_decoder/ir_decoder.vcxproj
index 95dc334..5c798aa 100644
--- a/src/ir_decoder/ir_decoder.vcxproj
+++ b/src/ir_decoder/ir_decoder.vcxproj
@@ -153,7 +153,6 @@
     <ClInclude Include="include\irda_ac_parse_parameter.h" />
     <ClInclude Include="include\irda_decode.h" />
     <ClInclude Include="include\irda_defs.h" />
-    <ClInclude Include="include\irda_main.h" />
     <ClInclude Include="include\irda_tv_parse_protocol.h" />
     <ClInclude Include="include\irda_utils.h" />
     <ClInclude Include="stdafx.h" />
@@ -180,7 +179,6 @@
     <ClCompile Include="irda_ac_parse_frame_parameter.c" />
     <ClCompile Include="irda_ac_parse_parameter.c" />
     <ClCompile Include="irda_decode.c" />
-    <ClCompile Include="irda_main.c" />
     <ClCompile Include="irda_tv_parse_protocol.c" />
     <ClCompile Include="irda_utils.c" />
     <ClCompile Include="stdafx.c">
diff --git a/src/ir_decoder/irda_decode.c b/src/ir_decoder/irda_decode.c
index 779507c..c7b49f0 100644
--- a/src/ir_decoder/irda_decode.c
+++ b/src/ir_decoder/irda_decode.c
@@ -42,10 +42,9 @@ UINT16 tv_bin_length = 0;
 UINT8 tag_count = 0;
 UINT16 tag_head_offset = 0;
 
-UINT8 byteArray[PROTOCOL_SIZE] = {0};
-UINT16 user_data[USER_DATA_SIZE] = {0};
-UINT8 tv_bin[EXPECTED_MEM_SIZE] = {0};
-remote_ac_status_t ac_status;
+UINT8 byteArray[PROTOCOL_SIZE] = { 0 };
+UINT8 tv_bin[EXPECTED_MEM_SIZE] = { 0 };
+
 
 // 2016-10-09 updated by strawmanbobi, change global data context to array pointer
 protocol *context = (protocol *) byteArray;
@@ -1029,10 +1028,6 @@ void irda_ac_lib_close()
     }
     free_ac_context();
 
-	if (NULL != binary_content)
-	{
-		free(binary_content);
-	}
     return;
 }
 
@@ -1203,7 +1198,7 @@ UINT16 irda_tv_lib_control(UINT8 key, UINT16* l_user_data)
 {
     UINT16 print_index = 0;
     UINT16 irda_code_length = 0;
-    memset(user_data, 0x00, USER_DATA_SIZE);
+    memset(l_user_data, 0x00, USER_DATA_SIZE);
     irda_code_length = tv_lib_control(key, l_user_data);
 
     // have some debug
@@ -1211,7 +1206,7 @@ UINT16 irda_tv_lib_control(UINT8 key, UINT16* l_user_data)
     IR_PRINTF("length of IRDA code = %d\n", irda_code_length);
     for(print_index = 0; print_index < irda_code_length; print_index++)
     {
-        IR_PRINTF("%d ", user_data[print_index]);
+        IR_PRINTF("%d ", l_user_data[print_index]);
     }
     IR_PRINTF("\n=============================\n\n");
 
diff --git a/src/ir_decoder/irda_main.c b/src/ir_decoder/irda_main.c
index 4f7a631..6b4e7fc 100644
--- a/src/ir_decoder/irda_main.c
+++ b/src/ir_decoder/irda_main.c
@@ -29,6 +29,8 @@ Revision log:
 // global variable definition
 long binary_length = 0;
 UINT8 *binary_content = NULL;
+remote_ac_status_t ac_status;
+UINT16 user_data[USER_DATA_SIZE];
 
 INT8 irda_ac_file_open(const char* file_name);
 INT8 irda_tv_file_open(const char* file_name);
diff --git a/src/ir_decoder/irda_tv_parse_protocol.c b/src/ir_decoder/irda_tv_parse_protocol.c
index f51bc72..e889bab 100644
--- a/src/ir_decoder/irda_tv_parse_protocol.c
+++ b/src/ir_decoder/irda_tv_parse_protocol.c
@@ -42,14 +42,14 @@ Revision log:
 /**************************************************************************************************
  *                                         LOCAL DATA TYPES
  **************************************************************************************************/
-#pragma pack(1)
+
 struct buffer
 {
     UINT8 *data;
     UINT16 len;
     UINT16 offset;
 } irda_file;
-#pragma pack()
+