diff --git a/.env b/.env
index de91c8e..66744bf 100644
--- a/.env
+++ b/.env
@@ -3,5 +3,5 @@ SOLANG_BUILD_SERVER_BASE_URL=https://playground-next.test.aelf.dev
 SOLIDITY_ENABLED=false
 GA_TAG=
 GITHUB_API_KEY=
-FAUCET_API_URL = 
-GOOGLE_CAPTCHA_SITEKEY = 
\ No newline at end of file
+NEXT_PUBLIC_FAUCET_API_URL = 
+NEXT_PUBLIC_GOOGLE_CAPTCHA_SITEKEY = 
\ No newline at end of file
diff --git a/lib/env.ts b/lib/env.ts
index e336e7c..4ab473f 100644
--- a/lib/env.ts
+++ b/lib/env.ts
@@ -27,9 +27,9 @@ export function getSolidityEnabled() {
 }
 
 export function getFaucetUrl() {
-  return getEnv("FAUCET_API_URL")
+  return getEnv("NEXT_PUBLIC_FAUCET_API_URL")
 }
 
 export function getGoogleCaptchaSitekey() {
-  return getEnv("GOOGLE_CAPTCHA_SITEKEY");
+  return getEnv("NEXT_PUBLIC_GOOGLE_CAPTCHA_SITEKEY");
 }
\ No newline at end of file