diff --git a/CMakeLists.txt b/CMakeLists.txt
index e5273bf..b77b23d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -50,6 +50,7 @@ add_library(
     ${enc_dic}/ldaclib.c
 )
 
+target_link_libraries(ldac_enc_lib m)
 
 add_executable(ldac_encoder ldac_enc_test.c)
 add_executable(ldac_decoder ldac_dec_test.c)
@@ -57,5 +58,5 @@ add_executable(auto_test auto_test.c)
 
 
 target_link_libraries(ldac_encoder ldac_enc_lib)
-target_link_libraries(ldac_decoder ldac_dec_lib)
+target_link_libraries(ldac_decoder ldac_dec_lib m)
 endif()
diff --git a/auto_test.c b/auto_test.c
index fc41a09..8da52fa 100644
--- a/auto_test.c
+++ b/auto_test.c
@@ -2,6 +2,10 @@
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
+#ifdef __linux__
+#include <unistd.h>
+#endif
+
 int main()
 {
 
diff --git a/ldac_dec_test.c b/ldac_dec_test.c
index a0c9a4a..5ca39af 100644
--- a/ldac_dec_test.c
+++ b/ldac_dec_test.c
@@ -103,7 +103,7 @@ typedef char ID[4];
 typedef union {
   struct {
     ID groupID;
-    long size;
+    uint32_t size;
     ID riffType;
   };
   uint8_t data[0xc];
@@ -112,8 +112,8 @@ typedef union {
 typedef union {
   struct {
     ID chunkID;
-    long chunkSize;
-    short wFormatTag;
+    uint32_t chunkSize;
+    uint16_t wFormatTag;
     uint16_t wChannels;
     uint32_t dwSamplesPerSec;
     uint32_t dwAvgBytesPerSec;
@@ -127,7 +127,7 @@ typedef union {
 typedef union {
   struct {
     ID chunkID;
-    long chunkSize;
+    uint32_t chunkSize;
   };
   uint8_t data[8];
 } DATACHUNK;
@@ -254,9 +254,9 @@ int main(int argc, char *argv[]) {
 #if  __WIN32
   unsigned __int64 t0 = *(
       unsigned __int64 *)(0x7FFE0000 + 0x8); // like QueryUnbiasedInterruptTime
+  __int64 npack = 0;
 #endif
 
-  __int64 npack = 0;
 
   while ((streamSize - used_Stream_count) > streamUsed) {
 
@@ -265,7 +265,9 @@ int main(int argc, char *argv[]) {
                            frame_size, &streamUsed, &out_pcm_szie);
     out_pcm_count += out_pcm_szie;
     used_Stream_count += streamUsed;
+#if  __WIN32
     npack += 1;
+#endif
   }
   if (result != 0) {
     printf("%s\r\n",get_error_code_string(ldacBT_get_error_code(ldacBT_dec_handle)));
diff --git a/ldac_enc_test.c b/ldac_enc_test.c
index df6ef78..a189cb6 100644
--- a/ldac_enc_test.c
+++ b/ldac_enc_test.c
@@ -103,7 +103,7 @@ typedef char ID[4];
 typedef union {
   struct {
     ID groupID;
-    long size;
+    uint32_t size;
     ID riffType;
   };
   uint8_t data[0xc];
@@ -112,8 +112,8 @@ typedef union {
 typedef union {
   struct {
     ID chunkID;
-    long chunkSize;
-    short wFormatTag;
+    uint32_t chunkSize;
+    uint16_t wFormatTag;
     uint16_t wChannels;
     uint32_t dwSamplesPerSec;
     uint32_t dwAvgBytesPerSec;
@@ -126,7 +126,7 @@ typedef union {
 typedef union {
   struct {
     ID chunkID;
-    long chunkSize;
+    uint32_t chunkSize;
   };
   uint8_t data[8];
 } DATACHUNK;
@@ -255,15 +255,17 @@ int main(int argc, char *argv[]) {
 #if  __WIN32
   unsigned __int64 t0 = *(
       unsigned __int64 *)(0x7FFE0000 + 0x8); // like QueryUnbiasedInterruptTime
-#endif
   __int64 npack = 0;
+#endif
   while ((input_pcm_size - pcmUsedcount) >= pcmUsed) {
     result |=
         ldacBT_encode(ldacBT_enc_handle, input_pcm + pcmUsedcount, &pcmUsed,
                       pStream + streamoutputcount, &streamSize, &frameNum);
     pcmUsedcount += pcmUsed;
     streamoutputcount += streamSize;
+#if  __WIN32
     npack += 1;
+#endif
   }
   // ldacBT_encode(ldacBT_enc_handle, input_pcm + 44 + pcmUsed, &pcmUsed,
   // pStream, &streamSize, &frameNum);