diff --git a/doc/ManualDSurfTomoV1.4.pdf b/doc/ManualDSurfTomoV1.4.pdf
new file mode 100644
index 0000000..428876f
Binary files /dev/null and b/doc/ManualDSurfTomoV1.4.pdf differ
diff --git a/src/main.f90 b/src/main.f90
index 82f8a95..3dd40ec 100644
--- a/src/main.f90
+++ b/src/main.f90
@@ -109,7 +109,7 @@ program SurfTomo
 
         ! OUTPUT PROGRAM INFOMATION            
         write(*,*)
-        write(*,*) '                             DSurfTomo (v1.3)'
+        write(*,*) '                             DSurfTomo (v1.4)'
         !write(*,*) 'PLEASE contact Hongjain Fang &
         !        (fanghj@mail.ustc.edu.cn) if you find any bug'
         write(*,*) 'For bug report, PLEASE contact Hongjain Fang &