diff --git a/templates/sing-box-reality-server/sing-box-reality-server.json b/templates/sing-box-reality-server/sing-box-reality-server.json
index 08bcdbf..937099c 100644
--- a/templates/sing-box-reality-server/sing-box-reality-server.json
+++ b/templates/sing-box-reality-server/sing-box-reality-server.json
@@ -24,7 +24,7 @@
         "interval": "60m",
         "domain_resolver": {
             "server": "dns:cloudflare",
-            "strategy": "prefer_ipv4",
+            "strategy": "ipv4_only",
             "disable_cache": false
         }
     },
@@ -96,7 +96,7 @@
             ],
             "domain_resolver": {
                 "server": "dns:cloudflare",
-                "strategy": "prefer_ipv4",
+                "strategy": "ipv4_only",
                 "disable_cache": false
             }
         }
@@ -107,7 +107,7 @@
             "type": "direct",
             "domain_resolver": {
                 "server": "dns:cloudflare",
-                "strategy": "prefer_ipv4",
+                "strategy": "ipv4_only",
                 "disable_cache": false
             }
         }