diff --git a/backend/package.json b/backend/package.json
index 5fcfdac..53eaa04 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.19.38",
+  "version": "2.19.39",
   "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/qx.js b/backend/src/core/proxy-utils/parsers/peggy/qx.js
index 2a0f229..c9d216f 100644
--- a/backend/src/core/proxy-utils/parsers/peggy/qx.js
+++ b/backend/src/core/proxy-utils/parsers/peggy/qx.js
@@ -86,10 +86,10 @@ vmess = "vmess" equals address
     (uuid/method/over_tls/tls_host/tls_pubkey_sha256/tls_alpn/tls_no_session_ticket/tls_no_session_reuse/tls_fingerprint/tls_verification/tag/obfs/obfs_host/obfs_uri/udp_relay/udp_over_tcp/fast_open/aead/server_check_url/others)* {
     proxy.type = "vmess";
     proxy.cipher = proxy.cipher || "none";
-    if (proxy.aead) {
-        proxy.alterId = 0;
+    if (proxy.aead === false) {
+        proxy.alterId = 1;
     } else {
-        proxy.alterId = proxy.alterId || 0;
+        proxy.alterId = 0;
     }
     handleObfs();
 }
diff --git a/backend/src/core/proxy-utils/parsers/peggy/qx.peg b/backend/src/core/proxy-utils/parsers/peggy/qx.peg
index 00a84cd..3f72e19 100644
--- a/backend/src/core/proxy-utils/parsers/peggy/qx.peg
+++ b/backend/src/core/proxy-utils/parsers/peggy/qx.peg
@@ -84,10 +84,10 @@ vmess = "vmess" equals address
     (uuid/method/over_tls/tls_host/tls_pubkey_sha256/tls_alpn/tls_no_session_ticket/tls_no_session_reuse/tls_fingerprint/tls_verification/tag/obfs/obfs_host/obfs_uri/udp_relay/udp_over_tcp/fast_open/aead/server_check_url/others)* {
     proxy.type = "vmess";
     proxy.cipher = proxy.cipher || "none";
-    if (proxy.aead) {
-        proxy.alterId = 0;
+    if (proxy.aead === false) {
+        proxy.alterId = 1;
     } else {
-        proxy.alterId = proxy.alterId || 0;
+        proxy.alterId = 0;
     }
     handleObfs();
 }