diff --git a/backend/package.json b/backend/package.json
index 6889985..90b0403 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.19.5",
+  "version": "2.19.6",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and Shadowrocket.",
   "main": "src/main.js",
   "scripts": {
diff --git a/backend/src/core/proxy-utils/parsers/peggy/loon.js b/backend/src/core/proxy-utils/parsers/peggy/loon.js
index 9615037..5a1c979 100644
--- a/backend/src/core/proxy-utils/parsers/peggy/loon.js
+++ b/backend/src/core/proxy-utils/parsers/peggy/loon.js
@@ -60,7 +60,7 @@ vmess = tag equals "vmess"i address method uuid (transport/transport_host/transp
     proxy.alterId = proxy.alterId || 0;
     handleTransport();
 }
-vless = tag equals "vless"i address uuid (transport/transport_host/transport_path/over_tls/tls_host/tls_verification/tls_cert_sha256/tls_pubkey_sha256/fast_open/udp_relay/ip_mode/others)* {
+vless = tag equals "vless"i address uuid (transport/transport_host/transport_path/over_tls/tls_host/tls_verification/tls_cert_sha256/tls_pubkey_sha256/fast_open/udp_relay/ip_mode/flow/public_key/short_id/others)* {
     proxy.type = "vless";
     handleTransport();
 }
@@ -180,6 +180,10 @@ tls_verification = comma "skip-cert-verify" equals flag:bool { proxy["skip-cert-
 tls_cert_sha256 = comma "tls-cert-sha256" equals match:[^,]+ { proxy["tls-fingerprint"] = match.join("").replace(/^"(.*)"$/, '$1'); }
 tls_pubkey_sha256 = comma "tls-pubkey-sha256" equals match:[^,]+ { proxy["tls-pubkey-sha256"] = match.join("").replace(/^"(.*)"$/, '$1'); }
 
+flow = comma "flow" equals match:[^,]+ { proxy["flow"] = match.join("").replace(/^"(.*)"$/, '$1'); }
+public_key = comma "public-key" equals match:[^,]+ { proxy["reality-opts"] = proxy["reality-opts"] || {}; proxy["reality-opts"]["public-key"] = match.join("").replace(/^"(.*)"$/, '$1'); }
+short_id = comma "short-id" equals match:[^,]+ { proxy["reality-opts"] = proxy["reality-opts"] || {}; proxy["reality-opts"]["short-id"] = match.join("").replace(/^"(.*)"$/, '$1'); }
+
 fast_open = comma "fast-open" equals flag:bool { proxy.tfo = flag; }
 udp_relay = comma "udp" equals flag:bool { proxy.udp = flag; }
 ip_mode = comma "ip-mode" equals match:[^,]+ { proxy["ip-version"] = match.join(""); }
diff --git a/backend/src/core/proxy-utils/parsers/peggy/loon.peg b/backend/src/core/proxy-utils/parsers/peggy/loon.peg
index 60f3623..66e93c0 100644
--- a/backend/src/core/proxy-utils/parsers/peggy/loon.peg
+++ b/backend/src/core/proxy-utils/parsers/peggy/loon.peg
@@ -58,7 +58,7 @@ vmess = tag equals "vmess"i address method uuid (transport/transport_host/transp
     proxy.alterId = proxy.alterId || 0;
     handleTransport();
 }
-vless = tag equals "vless"i address uuid (transport/transport_host/transport_path/over_tls/tls_host/tls_verification/tls_cert_sha256/tls_pubkey_sha256/fast_open/udp_relay/ip_mode/others)* {
+vless = tag equals "vless"i address uuid (transport/transport_host/transport_path/over_tls/tls_host/tls_verification/tls_cert_sha256/tls_pubkey_sha256/fast_open/udp_relay/ip_mode/flow/public_key/short_id/others)* {
     proxy.type = "vless";
     handleTransport();
 }
@@ -178,6 +178,10 @@ tls_verification = comma "skip-cert-verify" equals flag:bool { proxy["skip-cert-
 tls_cert_sha256 = comma "tls-cert-sha256" equals match:[^,]+ { proxy["tls-fingerprint"] = match.join("").replace(/^"(.*)"$/, '$1'); }
 tls_pubkey_sha256 = comma "tls-pubkey-sha256" equals match:[^,]+ { proxy["tls-pubkey-sha256"] = match.join("").replace(/^"(.*)"$/, '$1'); }
 
+flow = comma "flow" equals match:[^,]+ { proxy["flow"] = match.join("").replace(/^"(.*)"$/, '$1'); }
+public_key = comma "public-key" equals match:[^,]+ { proxy["reality-opts"] = proxy["reality-opts"] || {}; proxy["reality-opts"]["public-key"] = match.join("").replace(/^"(.*)"$/, '$1'); }
+short_id = comma "short-id" equals match:[^,]+ { proxy["reality-opts"] = proxy["reality-opts"] || {}; proxy["reality-opts"]["short-id"] = match.join("").replace(/^"(.*)"$/, '$1'); }
+
 fast_open = comma "fast-open" equals flag:bool { proxy.tfo = flag; }
 udp_relay = comma "udp" equals flag:bool { proxy.udp = flag; }
 ip_mode = comma "ip-mode" equals match:[^,]+ { proxy["ip-version"] = match.join(""); }
diff --git a/backend/src/core/proxy-utils/producers/loon.js b/backend/src/core/proxy-utils/producers/loon.js
index 363a36c..7126f85 100644
--- a/backend/src/core/proxy-utils/producers/loon.js
+++ b/backend/src/core/proxy-utils/producers/loon.js
@@ -23,7 +23,7 @@ export default function Loon_Producer() {
             case 'vmess':
                 return vmess(proxy);
             case 'vless':
-                return vless(proxy);
+                return vless(proxy, opts['include-unsupported-proxy']);
             case 'http':
                 return http(proxy);
             case 'socks5':
@@ -347,10 +347,26 @@ function vmess(proxy) {
     return result.toString();
 }
 
-function vless(proxy) {
-    if (typeof proxy.flow !== 'undefined' || proxy['reality-opts']) {
+function vless(proxy, includeUnsupportedProxy) {
+    if (
+        !includeUnsupportedProxy &&
+        (typeof proxy.flow !== 'undefined' || proxy['reality-opts'])
+    ) {
         throw new Error(`VLESS XTLS/REALITY is not supported`);
     }
+    let isReality = false;
+    if (includeUnsupportedProxy) {
+        if (
+            proxy['reality-opts'] &&
+            ['xtls-rprx-vision'].includes(proxy.flow)
+        ) {
+            isReality = true;
+        } else if (proxy['reality-opts'] || proxy.flow) {
+            throw new Error(
+                `VLESS XTLS/REALITY with flow(${proxy.flow}) is not supported`,
+            );
+        }
+    }
     const result = new Result(proxy);
     result.append(
         `${proxy.name}=vless,${proxy.server},${proxy.port},"${proxy.uuid}"`,
@@ -399,7 +415,20 @@ function vless(proxy) {
     );
 
     // sni
-    result.appendIfPresent(`,tls-name=${proxy.sni}`, 'sni');
+    if (isReality) {
+        result.appendIfPresent(`,sni=${proxy.sni}`, 'sni');
+        result.appendIfPresent(
+            `,public-key="${proxy['reality-opts']['public-key']}"`,
+            'reality-opts.public-key',
+        );
+        result.appendIfPresent(
+            `,short-id=${proxy['reality-opts']['short-id']}`,
+            'reality-opts.short-id',
+        );
+    } else {
+        result.appendIfPresent(`,tls-name=${proxy.sni}`, 'sni');
+    }
+
     result.appendIfPresent(
         `,tls-cert-sha256=${proxy['tls-fingerprint']}`,
         'tls-fingerprint',
diff --git a/backend/src/utils/user-agent.js b/backend/src/utils/user-agent.js
index 0349bae..b8bbbd5 100644
--- a/backend/src/utils/user-agent.js
+++ b/backend/src/utils/user-agent.js
@@ -66,10 +66,12 @@ export function shouldIncludeUnsupportedProxy(platform, ua) {
             UA: ua,
             ua: ua.toLowerCase(),
         });
-        if (!['Stash', 'Egern'].includes(target)) {
+        if (!['Stash', 'Egern', 'Loon'].includes(target)) {
             return false;
         }
-        const version = coerce(ua).version;
+        const coerceVersion = coerce(ua);
+        $.log(JSON.stringify(coerceVersion, null, 2));
+        const { version } = coerceVersion;
         if (
             platform === 'Stash' &&
             target === 'Stash' &&
@@ -84,6 +86,14 @@ export function shouldIncludeUnsupportedProxy(platform, ua) {
         ) {
             return true;
         }
+        // Loon 的 UA 不规范, version 取出来是 build
+        if (
+            platform === 'Loon' &&
+            target === 'Loon' &&
+            gte(version, '838.0.0')
+        ) {
+            return true;
+        }
     } catch (e) {
         $.error(`获取版本号失败: ${e}`);
     }