diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index ff44e15..78bdc8e 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -5,18 +5,18 @@ spring:
   application:
     name: building
 
-  # PostgreSQL数据库配置
+  # PostgreSQL数据库配置 - 环境变量注入
   datasource:
     driver-class-name: org.postgresql.Driver
-    url: jdbc:postgresql://localhost:5432/building_materials
-    username: postgres
-    password: postgres
+    url: jdbc:postgresql://${SPRING_DATASOURCE_HOST:localhost}:${SPRING_DATASOURCE_PORT:5432}/${SPRING_DATASOURCE_DB:building_materials}
+    username: ${SPRING_DATASOURCE_USERNAME:postgres}
+    password: ${SPRING_DATASOURCE_PASSWORD:postgres}
 
-  # Redis配置
+  # Redis配置 - 环境变量注入
   redis:
-    host: localhost
-    port: 6379
-    password:
+    host: ${SPRING_REDIS_HOST:localhost}
+    port: ${SPRING_REDIS_PORT:6379}
+    password: ${SPRING_REDIS_PASSWORD:}
     database: 0
     timeout: 3000ms
     lettuce:
@@ -38,11 +38,11 @@ mybatis-plus:
       logic-delete-value: 0
       logic-not-delete-value: 1
 
-# JWT配置
+# JWT配置 - 环境变量注入
 jwt:
-  secret: building-materials-secret-key-2024
-  expiration: 7200000  # 2小时
-  refresh-expiration: 604800000  # 7天
+  secret: ${JWT_SECRET:building-materials-secret-key-2024}
+  expiration: ${JWT_EXPIRATION:7200000}
+  refresh-expiration: ${JWT_REFRESH_EXPIRATION:604800000}
 
 # 日志配置
 logging: