diff --git a/src/util/inc/tfile.h b/src/util/inc/tfile.h
index 00b2fd6c3276efe8f295d290fb33315419290ce6..981ee7cecbcf77d61cbae45cac87ed6493cd5a90 100644
--- a/src/util/inc/tfile.h
+++ b/src/util/inc/tfile.h
@@ -22,19 +22,19 @@ extern "C" {
 
 #include <unistd.h>
 
+// init taos file module
+int  tfinit();
+
+// clean up taos file module
+void tfcleanup();
+
 // the same syntax as UNIX standard open/close/read/write
 // but FD is int64_t and will never be reused
-
 int64_t tfopen(const char *pathname, int flags);
 int64_t tfclose(int64_t tfd);
 ssize_t tfwrite(int64_t tfd, const void *buf, size_t count);
 ssize_t tfread(int64_t tfd, void *buf, size_t count);
 
-// init taos file module
-int  tfinit();
-
-// clean up taos fle module
-void tfcleanup();
 
 #ifdef __cplusplus
 }