diff --git a/debian/control b/debian/control
index fe9f1a7..b048f6e 100644
--- a/debian/control
+++ b/debian/control
@@ -21,5 +21,5 @@ Section: net
 Architecture: any
 Multi-Arch: same
 Pre-Depends: ${misc:Pre-Depends}
-Depends: ${misc:Depends}, ${shlibs:Depends}, libfastcommon (${libfastcommon:Version})
+Depends: ${misc:Depends}, ${shlibs:Depends}, libfastcommon (>= ${libfastcommon:Version})
 Description: this network service framework library extract from FastDFS
diff --git a/debian/rules b/debian/rules
old mode 100644
new mode 100755
diff --git a/debian/substvars b/debian/substvars
index b2d49e1..669f967 100644
--- a/debian/substvars
+++ b/debian/substvars
@@ -1 +1 @@
-libfastcommon:Version=>= 1.0.56
\ No newline at end of file
+libfastcommon:Version=1.0.56
\ No newline at end of file