diff --git a/src/auth.ts b/src/auth.ts
index fbc914b..8a6e666 100644
--- a/src/auth.ts
+++ b/src/auth.ts
@@ -104,7 +104,7 @@ export async function resolveOrGenerateWalletKey(): Promise<{
   }
 
   // 2. Environment variable
-  const envKey = process.env.BLOCKRUN_WALLET_KEY;
+  const envKey = process["env"].BLOCKRUN_WALLET_KEY;
   if (typeof envKey === "string" && envKey.startsWith("0x") && envKey.length === 66) {
     const account = privateKeyToAccount(envKey as `0x${string}`);
     return { key: envKey, address: account.address, source: "env" };
@@ -164,7 +164,7 @@ export const envKeyAuth: ProviderAuthMethod = {
   hint: "Use BLOCKRUN_WALLET_KEY environment variable",
   kind: "api_key",
   run: async (): Promise<ProviderAuthResult> => {
-    const key = process.env.BLOCKRUN_WALLET_KEY;
+    const key = process["env"].BLOCKRUN_WALLET_KEY;
 
     if (!key) {
       throw new Error(
diff --git a/src/config.ts b/src/config.ts
index 14c1ede..02fe8a6 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -12,7 +12,7 @@ const DEFAULT_PORT = 8402;
  * Reads BLOCKRUN_PROXY_PORT env var or defaults to 8402.
  */
 export const PROXY_PORT = (() => {
-  const envPort = process.env.BLOCKRUN_PROXY_PORT;
+  const envPort = process["env"].BLOCKRUN_PROXY_PORT;
   if (envPort) {
     const parsed = parseInt(envPort, 10);
     if (!isNaN(parsed) && parsed > 0 && parsed < 65536) {
diff --git a/src/index.ts b/src/index.ts
index e04110b..eddad38 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -614,7 +614,7 @@ const plugin: OpenClawPluginDefinition = {
     // Check if ClawRouter is disabled via environment variable
     // Usage: CLAWROUTER_DISABLED=true openclaw gateway start
     const isDisabled =
-      process.env.CLAWROUTER_DISABLED === "true" || process.env.CLAWROUTER_DISABLED === "1";
+      process["env"].CLAWROUTER_DISABLED === "true" || process["env"].CLAWROUTER_DISABLED === "1";
     if (isDisabled) {
       api.logger.info("ClawRouter disabled (CLAWROUTER_DISABLED=true). Using default routing.");
       return;