diff --git a/src/main/resources/application-dev.yml b/src/main/resources/application-dev.yml
index 1d0c25d2..67e7970c 100644
--- a/src/main/resources/application-dev.yml
+++ b/src/main/resources/application-dev.yml
@@ -62,7 +62,9 @@ mybatis-plus:
 # 安全配置
 security:
   jwt:
+    # JWT 秘钥
     key: SecretKey012345678901234567890123456789012345678901234567890123456789
+    # JWT 有效期(单位：秒)
     ttl: 7200
   ignore-urls:
     - /v3/api-docs/**
diff --git a/src/main/resources/application-prod.yml b/src/main/resources/application-prod.yml
index e0890214..8883f633 100644
--- a/src/main/resources/application-prod.yml
+++ b/src/main/resources/application-prod.yml
@@ -60,7 +60,9 @@ mybatis-plus:
 # 安全配置
 security:
   jwt:
+    # JWT 秘钥
     key: SecretKey012345678901234567890123456789012345678901234567890123456789
+    # JWT 有效期(单位：秒)
     ttl: 7200
   ignore-urls:
     - /v3/api-docs/**