diff --git a/app/services/xui.py b/app/services/xui.py
index f6174f8..9484922 100644
--- a/app/services/xui.py
+++ b/app/services/xui.py
@@ -320,13 +320,15 @@ class XuiClient:
             raise XuiApiError(f"Inbound #{inbound_id} — не WireGuard (protocol={proto})")
 
         keys = await self.get_new_x25519()
+        # Leave allowedIPs empty — 3x-ui allocates a unique peer address
+        # (e.g. 10.0.0.3/32). Sending 0.0.0.0/0 collides with other clients.
         client = {
             "email": email,
             "enable": True,
             "privateKey": keys["privateKey"],
             "publicKey": keys["publicKey"],
             "preSharedKey": "",
-            "allowedIPs": ["0.0.0.0/0", "::/0"],
+            "allowedIPs": [],
             "keepAlive": 0,
             "totalGB": total_gb,
             "expiryTime": int(expiry_time),
@@ -337,12 +339,23 @@ class XuiClient:
         }
         await self.add_client_raw(client, [inbound_id])
         details = await self.get_client(email)
+        allowed_ips = []
+        if isinstance(details, dict):
+            allowed_ips = details.get("allowedIPs") or details.get("allowed_ips") or []
+            if not allowed_ips:
+                # Client may be nested under inbounds / clients list
+                for key in ("client", "obj"):
+                    nested = details.get(key)
+                    if isinstance(nested, dict) and nested.get("allowedIPs"):
+                        allowed_ips = nested["allowedIPs"]
+                        break
         return {
             "protocol": "wireguard",
             "email": email,
             "inbound_id": inbound_id,
             "privateKey": keys["privateKey"],
             "publicKey": keys["publicKey"],
+            "allowedIPs": allowed_ips,
             "expiryTime": int(expiry_time),
             "details": details,
             "inbound": {
diff --git a/app/templates/admin/xui_detail.html b/app/templates/admin/xui_detail.html
index bdf82ae..636c844 100644
--- a/app/templates/admin/xui_detail.html
+++ b/app/templates/admin/xui_detail.html
@@ -63,7 +63,8 @@
       <p class="muted" style="margin:0">Ключи клиента (конфиг соберите в 3x-ui или ниже):</p>
       <pre class="mono">PrivateKey = {{ created.privateKey }}
 PublicKey = {{ created.publicKey }}
-{% if created.inbound %}Endpoint port = {{ created.inbound.port }}{% endif %}</pre>
+{% if created.allowedIPs %}AllowedIPs = {{ created.allowedIPs | join(', ') }}
+{% endif %}{% if created.inbound %}Endpoint port = {{ created.inbound.port }}{% endif %}</pre>
     {% endif %}
   </div>
 </div>