diff --git a/luci-app-passwall/luasrc/passwall/api.lua b/luci-app-passwall/luasrc/passwall/api.lua
index 2a2155f05..8b5706cac 100644
--- a/luci-app-passwall/luasrc/passwall/api.lua
+++ b/luci-app-passwall/luasrc/passwall/api.lua
@@ -383,7 +383,7 @@ function get_customed_path(e)
 end
 
 function is_finded(e)
-	return luci.sys.exec('type -t -p "/bin/%s" -p "%s" "%s"' % {e, get_customed_path(e), e}) ~= "" and true or false
+	return luci.sys.exec('type -t -p "/bin/%s" -p "/usr/bin/%s" -p "%s" "%s"' % {e, e, get_customed_path(e), e}) ~= "" and true or false
 end
 
 function clone(org)