diff --git a/know_sub_business/src/main/resources/application.yml b/know_sub_business/src/main/resources/application.yml
index 7fe2c30..10e5514 100644
--- a/know_sub_business/src/main/resources/application.yml
+++ b/know_sub_business/src/main/resources/application.yml
@@ -1,15 +1,15 @@
-#?????
+#服务器端口
 server:
   port: 9201
   servlet:
     context-path: /know-sub
   undertow:
-    # HTTP post???????????-1????????????
+    # HTTP post内容的最大大小。当值为-1时，默认值为大小是无限的
     max-http-post-size: -1
-    # ????????buffer,??buffer?????????IO??,????netty???????
-    # ??buffer?????,???????????
+    # 以下的配置会影响buffer,这些buffer会用于服务器连接的IO操作,有点类似netty的池化内存管理
+    # 每块buffer的空间大小,越小的空间被利用越充分
     buffer-size: 512
-    # ?????????
+    # 是否分配的直接内存
     direct-buffers: true
 spring:
   main:
@@ -18,7 +18,7 @@ spring:
     multipart:
       max-file-size: 100MB
       max-request-size: 100MB
-  ##?????
+  ## 数据源配置
   datasource:
     type: com.alibaba.druid.pool.DruidDataSource
     druid:
@@ -26,36 +26,36 @@ spring:
       url: jdbc:mysql://192.168.10.137:3306/know_sub?useUnicode=true&characterEncoding=utf-8&useSSL=true&nullCatalogMeansCurrent=true&serverTimezone=GMT%2B8
       username: root
       password: '123456'
-      initial-size: 5                                       # ?????
-      min-idle: 10                                          # ?????
-      max-active: 20                                        # ?????
-      max-wait: 60000                                       # ????????????
-      min-evictable-idle-time-millis: 300000                # ????????????????????
-      time-between-eviction-runs-millis: 60000              # ????????????????????????
-      filters: stat,wall                                    # ???????stat-?????log4j-???wall-??????SQL?????????????sql????
-      validation-query: SELECT 1                            # ????????? SQL???????????????
-      test-on-borrow: true                                  # ???????validationQuery???????????true?????????
-      test-on-return: true                                  # ???????validationQuery???????????false?????????
-      test-while-idle: true                                 # ?????????????timeBetweenEvictionRunsMillis???validationQuery???????????false???????????
+      initial-size: 5                                       # 初始化大小
+      min-idle: 10                                          # 最小连接数
+      max-active: 20                                        # 最大连接数
+      max-wait: 60000                                       # 获取连接时的最大等待时间
+      min-evictable-idle-time-millis: 300000                # 一个连接在池中最小生存的时间，单位是毫秒
+      time-between-eviction-runs-millis: 60000              # 多久才进行一次检测需要关闭的空闲连接，单位是毫秒
+      filters: stat,wall                                    # 配置扩展插件：stat-监控统计，log4j-日志，wall-防火墙（防止SQL注入），去掉后，监控界面的sql无法统计
+      validation-query: SELECT 1                            # 检测连接是否有效的 SQL语句，为空时以下三个配置均无效
+      test-on-borrow: true                                  # 申请连接时执行validationQuery检测连接是否有效，默认true，开启后会降低性能
+      test-on-return: true                                  # 归还连接时执行validationQuery检测连接是否有效，默认false，开启后会降低性能
+      test-while-idle: true                                 # 申请连接时如果空闲时间大于timeBetweenEvictionRunsMillis，执行validationQuery检测连接是否有效，默认false，建议开启，不影响性能
       stat-view-servlet:
-        enabled: true                                       # ???? StatViewServlet
+        enabled: true                                       # 是否开启 StatViewServlet
         loginUsername: admin
         loginPassword: 123456
       filter:
         stat:
-          enabled: true                                     # ???? FilterStat???true
-          log-slow-sql: true                                # ???? ?SQL ?????false
-          slow-sql-millis: 5000                             # ? SQL ?????? 3000??????
-          merge-sql: false                                  # ???????????????false
+          enabled: true                                     # 是否开启 FilterStat，默认true
+          log-slow-sql: true                                # 是否开启 慢SQL 记录，默认false
+          slow-sql-millis: 5000                             # 慢 SQL 的标准，默认 3000，单位：毫秒
+          merge-sql: false                                  # 合并多个连接池的监控数据，默认false
 
 mybatis-plus:
   mapper-locations: classpath*:mapper/**/*.xml
   configuration:
     log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
 
-# springdoc-openapi????
+# springdoc-openapi项目配置
 springdoc:
-  # ???false??????true ??GET???,???????????????
+  # 默认是false，需要设置为true 解决GET请求时,用自定义对象接受现实错误的问题
   default-flat-param-object: true
   swagger-ui:
     path: /swagger-ui.html
@@ -67,7 +67,7 @@ springdoc:
     - group: 'default'
       paths-to-match: '/**'
       packages-to-scan: com.supervision
-# knife4j???????????????
+# knife4j的增强配置，不需要增强可以不配
 knife4j:
   enable: true
   setting: