diff --git a/luci-app-passwall/luasrc/model/cbi/passwall/api/api.lua b/luci-app-passwall/luasrc/model/cbi/passwall/api/api.lua
index 52bbb0fdc..47d08757f 100755
--- a/luci-app-passwall/luasrc/model/cbi/passwall/api/api.lua
+++ b/luci-app-passwall/luasrc/model/cbi/passwall/api/api.lua
@@ -336,8 +336,10 @@ function get_bin_version_cache(file, cmd)
             return sys.exec("echo -n $(cat /tmp/etc/passwall_tmp/%s)" % md5)
         else
             local version = sys.exec(string.format("echo -n $(%s %s)", file, cmd))
-            sys.call("echo '" .. version .. "' > " .. "/tmp/etc/passwall_tmp/" .. md5)
-            return version
+            if version and version ~= "" then
+                sys.call("echo '" .. version .. "' > " .. "/tmp/etc/passwall_tmp/" .. md5)
+                return version
+            end
         end
     end
     return ""
@@ -350,7 +352,7 @@ end
 
 function get_v2ray_version(file)
     if file == nil then file = get_v2ray_path() end
-    local cmd = "-version | awk '{print $2}' | sed -n 1P"
+    local cmd = "version | awk '{print $2}' | sed -n 1P"
     return get_bin_version_cache(file, cmd)
 end
 
diff --git a/luci-app-passwall/luasrc/model/cbi/passwall/api/v2ray.lua b/luci-app-passwall/luasrc/model/cbi/passwall/api/v2ray.lua
index c00bf1461..f64fc697b 100644
--- a/luci-app-passwall/luasrc/model/cbi/passwall/api/v2ray.lua
+++ b/luci-app-passwall/luasrc/model/cbi/passwall/api/v2ray.lua
@@ -7,7 +7,7 @@ local i18n = api.i18n
 
 local pre_release_url = "https://api.github.com/repos/v2fly/v2ray-core/releases?per_page=1"
 local release_url = "https://api.github.com/repos/v2fly/v2ray-core/releases/latest"
-local api_url = release_url
+local api_url = pre_release_url
 local app_path = api.get_v2ray_path() or ""
 
 function check_path()
diff --git a/luci-app-passwall/luasrc/model/cbi/passwall/server/api/app.lua b/luci-app-passwall/luasrc/model/cbi/passwall/server/api/app.lua
index f9f034d37..c9f2c7701 100755
--- a/luci-app-passwall/luasrc/model/cbi/passwall/server/api/app.lua
+++ b/luci-app-passwall/luasrc/model/cbi/passwall/server/api/app.lua
@@ -123,7 +123,7 @@ local function start()
                 bin = ln_run("/usr/bin/" .. type .. "-server", type .. "-server", "-c " .. config_file .. " " .. udp_param, log_path)
             elseif type == "V2ray" then
                 config = require(require_dir .. "v2ray").gen_config(user)
-                bin = ln_run(api.get_v2ray_path(), "v2ray", "-config=" .. config_file, log_path)
+                bin = ln_run(api.get_v2ray_path(), "v2ray", "run -config=" .. config_file, log_path)
             elseif type == "Xray" then
                 config = require(require_dir .. "v2ray").gen_config(user)
                 bin = ln_run(api.get_xray_path(), "xray", "-config=" .. config_file, log_path)
diff --git a/luci-app-passwall/root/usr/share/passwall/app.sh b/luci-app-passwall/root/usr/share/passwall/app.sh
index 1b9e6117c..2b59dca28 100755
--- a/luci-app-passwall/root/usr/share/passwall/app.sh
+++ b/luci-app-passwall/root/usr/share/passwall/app.sh
@@ -353,7 +353,8 @@ run_v2ray() {
 	_extra_param="${_extra_param} -tcp_proxy_way $tcp_proxy_way"
 	_extra_param="${_extra_param} -loglevel $loglevel"
 	lua $API_GEN_V2RAY ${_extra_param} > $config_file
-	ln_run "$(first_type $(config_t_get global_app ${type}_file) ${type})" ${type} $log_file -config="$config_file"
+	[ "$type" = "xray" ] && ln_run "$(first_type $(config_t_get global_app ${type}_file) ${type})" ${type} $log_file -config="$config_file"
+	[ "$type" = "v2ray" ] && ln_run "$(first_type $(config_t_get global_app ${type}_file) ${type})" ${type} $log_file run -config="$config_file"
 }
 
 run_dns2socks() {
@@ -436,7 +437,8 @@ run_socks() {
 			local _extra_param="-local_http_port $http_port"
 		}
 		lua $API_GEN_V2RAY_PROTO -local_socks_port $socks_port ${_extra_param} -server_proto socks -server_address ${_socks_address} -server_port ${_socks_port} -server_username ${_socks_username} -server_password ${_socks_password} > $config_file
-		ln_run "$bin" $type $log_file -config="$config_file"
+		[ "$type" = "xray" ] && ln_run "$bin" $type $log_file -config="$config_file"
+		[ "$type" = "v2ray" ] && ln_run "$bin" $type $log_file run -config="$config_file"
 	;;
 	v2ray|\
 	xray)