diff --git a/scripts/install-whispergate-openclaw.mjs b/scripts/install-whispergate-openclaw.mjs
index 6e479b7..058d2f1 100755
--- a/scripts/install-whispergate-openclaw.mjs
+++ b/scripts/install-whispergate-openclaw.mjs
@@ -34,7 +34,7 @@ const RECORD_PATH = path.join(STATE_DIR, `whispergate-${ts}.json`);
 
 const PATH_PLUGINS_LOAD = "plugins.load.paths";
 const PATH_PLUGIN_ENTRY = "plugins.entries.whispergate";
-const PROVIDER_PATH = `models.providers["${NO_REPLY_PROVIDER_ID}"]`;
+const PATH_PROVIDERS = "models.providers";
 
 function runOpenclaw(args, { allowFail = false } = {}) {
   try {
@@ -127,7 +127,7 @@ if (mode === "install") {
   const before = {
     [PATH_PLUGINS_LOAD]: getJson(PATH_PLUGINS_LOAD),
     [PATH_PLUGIN_ENTRY]: getJson(PATH_PLUGIN_ENTRY),
-    [PROVIDER_PATH]: getJson(PROVIDER_PATH),
+    [PATH_PROVIDERS]: getJson(PATH_PROVIDERS),
   };
 
   try {
@@ -154,7 +154,9 @@ if (mode === "install") {
     };
     setJson("plugins", plugins);
 
-    setJson(PROVIDER_PATH, {
+    const providersNow = getJson(PATH_PROVIDERS).value || {};
+    const providers = typeof providersNow === "object" ? providersNow : {};
+    providers[NO_REPLY_PROVIDER_ID] = {
       baseUrl: NO_REPLY_BASE_URL,
       apiKey: NO_REPLY_API_KEY,
       api: "openai-completions",
@@ -169,7 +171,8 @@ if (mode === "install") {
           maxTokens: 4096,
         },
       ],
-    });
+    };
+    setJson(PATH_PROVIDERS, providers);
 
     runOpenclaw(["gateway", "restart"]);
     validateNoReplyModelAvailable();
@@ -177,7 +180,7 @@ if (mode === "install") {
     const after = {
       [PATH_PLUGINS_LOAD]: getJson(PATH_PLUGINS_LOAD),
       [PATH_PLUGIN_ENTRY]: getJson(PATH_PLUGIN_ENTRY),
-      [PROVIDER_PATH]: getJson(PROVIDER_PATH),
+      [PATH_PROVIDERS]: getJson(PATH_PROVIDERS),
     };
     writeRecord("install", before, after);
     console.log("[whispergate] install ok");
@@ -215,16 +218,13 @@ if (mode === "install") {
 
     setJson("plugins", plugins);
 
-    for (const k of Object.keys(target)) {
-      if (!k.startsWith("models.providers[")) continue;
-      if (target[k]?.exists) setJson(k, target[k].value);
-      else unsetPath(k);
-    }
+    if (target[PATH_PROVIDERS]?.exists) setJson(PATH_PROVIDERS, target[PATH_PROVIDERS].value);
+    else unsetPath(PATH_PROVIDERS);
 
     const after = {
       [PATH_PLUGINS_LOAD]: getJson(PATH_PLUGINS_LOAD),
       [PATH_PLUGIN_ENTRY]: getJson(PATH_PLUGIN_ENTRY),
-      [PROVIDER_PATH]: getJson(PROVIDER_PATH),
+      [PATH_PROVIDERS]: getJson(PATH_PROVIDERS),
     };
     writeRecord("uninstall", before, after);
     console.log("[whispergate] uninstall ok");