diff --git a/src/main/java/yerong/wedle/common/config/FMCConfig.java b/src/main/java/yerong/wedle/common/config/FMCConfig.java
index 1b20fef..263ef0f 100644
--- a/src/main/java/yerong/wedle/common/config/FMCConfig.java
+++ b/src/main/java/yerong/wedle/common/config/FMCConfig.java
@@ -3,6 +3,8 @@
 import com.google.auth.oauth2.GoogleCredentials;
 import com.google.firebase.FirebaseApp;
 import com.google.firebase.FirebaseOptions;
+
+import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import javax.annotation.PostConstruct;
 import org.springframework.context.annotation.Configuration;
@@ -13,11 +15,11 @@ public class FMCConfig {
 
     @PostConstruct
     private void init() throws IOException {
-        String fileResourceURL = "security/wedle-94dad-firebase-adminsdk-3qavr-19fe7c2a51.json";
-        ClassPathResource resource = new ClassPathResource(fileResourceURL);
+        String firebaseConfig = System.getenv("FIREBASE_CONFIG");
+        ByteArrayInputStream serviceAccountStream = new ByteArrayInputStream(firebaseConfig.getBytes());
 
         FirebaseOptions options = FirebaseOptions.builder()
-                .setCredentials(GoogleCredentials.fromStream(resource.getInputStream()))
+                .setCredentials(GoogleCredentials.fromStream(serviceAccountStream))
                 .build();
 
         FirebaseApp.initializeApp(options);