diff --git a/src/common_define.h b/src/common_define.h
index ff49471..68b9a9a 100644
--- a/src/common_define.h
+++ b/src/common_define.h
@@ -244,10 +244,10 @@ typedef void* (*MallocFunc)(size_t size);
         (dest).len = strlen(src); \
     } while (0)
 
-#define FC_SET_STRING_EX(dest, src, len)  \
+#define FC_SET_STRING_EX(dest, s, l)  \
     do {  \
-        (dest).str = src;  \
-        (dest).len = len;  \
+        (dest).str = s;   \
+        (dest).len = l;   \
     } while (0)
 
 #define FC_SET_STRING_NULL(dest)  \
diff --git a/src/http_func.c b/src/http_func.c
index 721a562..6ccc2f6 100644
--- a/src/http_func.c
+++ b/src/http_func.c
@@ -21,6 +21,7 @@
 #include "sockopt.h"
 #include "logger.h"
 #include "shared_func.h"
+#include "http_func.h"
 
 int get_url_content_ex(const char *url, const int url_len,
         const int connect_timeout, const int network_timeout,