diff --git a/src/browser/chrome.ts b/src/browser/chrome.ts
index 1cb94cf39fb..14ef91e0093 100644
--- a/src/browser/chrome.ts
+++ b/src/browser/chrome.ts
@@ -316,7 +316,7 @@ export async function launchOpenClawChrome(
     args.push("about:blank");
 
     return spawn(exe.path, args, {
-      stdio: "pipe",
+      stdio: ["ignore", "ignore", "ignore"],
       env: {
         ...process.env,
         // Reduce accidental sharing with the user's env.
diff --git a/src/gateway/server-methods/usage.ts b/src/gateway/server-methods/usage.ts
index 8b6be35f654..f074a0c66b1 100644
--- a/src/gateway/server-methods/usage.ts
+++ b/src/gateway/server-methods/usage.ts
@@ -769,22 +769,22 @@ export const usageHandlers: GatewayRequestHandlers = {
           .toSorted((a, b) => b.count - a.count),
       },
       byModel: Array.from(byModelMap.values()).toSorted((a, b) => {
-        const costDiff = b.totals.totalCost - a.totals.totalCost;
+        const costDiff = (b.totals?.totalCost ?? 0) - (a.totals?.totalCost ?? 0);
         if (costDiff !== 0) {
           return costDiff;
         }
-        return b.totals.totalTokens - a.totals.totalTokens;
+        return (b.totals?.totalTokens ?? 0) - (a.totals?.totalTokens ?? 0);
       }),
       byProvider: Array.from(byProviderMap.values()).toSorted((a, b) => {
-        const costDiff = b.totals.totalCost - a.totals.totalCost;
+        const costDiff = (b.totals?.totalCost ?? 0) - (a.totals?.totalCost ?? 0);
         if (costDiff !== 0) {
           return costDiff;
         }
-        return b.totals.totalTokens - a.totals.totalTokens;
+        return (b.totals?.totalTokens ?? 0) - (a.totals?.totalTokens ?? 0);
       }),
       byAgent: Array.from(byAgentMap.entries())
         .map(([id, totals]) => ({ agentId: id, totals }))
-        .toSorted((a, b) => b.totals.totalCost - a.totals.totalCost),
+        .toSorted((a, b) => (b.totals?.totalCost ?? 0) - (a.totals?.totalCost ?? 0)),
       ...tail,
     };
 
diff --git a/src/infra/session-cost-usage.ts b/src/infra/session-cost-usage.ts
index 230ebd60c2e..4c021bcc72f 100644
--- a/src/infra/session-cost-usage.ts
+++ b/src/infra/session-cost-usage.ts
@@ -707,11 +707,11 @@ export async function loadSessionCostSummary(params: {
 
   const modelUsage = modelUsageMap.size
     ? Array.from(modelUsageMap.values()).toSorted((a, b) => {
-        const costDiff = b.totals.totalCost - a.totals.totalCost;
+        const costDiff = (b.totals?.totalCost ?? 0) - (a.totals?.totalCost ?? 0);
         if (costDiff !== 0) {
           return costDiff;
         }
-        return b.totals.totalTokens - a.totals.totalTokens;
+        return (b.totals?.totalTokens ?? 0) - (a.totals?.totalTokens ?? 0);
       })
     : undefined;