Add message about datasource configuration for application.yaml.

src/main/resources/application-dev.yaml

@@ -22,7 +22,7 @@ spring:
     username: admin
     password: 123456
 
-    #MySql配置
+    # MySql 配置
 #    driver-class-name: com.mysql.cj.jdbc.Driver
 #    url: jdbc:mysql://127.0.0.1:3306/halodb?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai
 #    username: root

src/main/resources/application-test.yaml

@@ -22,7 +22,7 @@ spring:
     username: admin
     password: 123456
 
-    #MySql配置
+    # MySql 配置
 #    driver-class-name: com.mysql.cj.jdbc.Driver
 #    url: jdbc:mysql://127.0.0.1:3306/halodb?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai
 #    username: root

src/main/resources/application-user.yaml

@@ -4,18 +4,19 @@ spring:
   datasource:
     type: com.zaxxer.hikari.HikariDataSource
 
-    # H2database 配置
+    # H2Database 配置，如果你需要使用 MySQL，请注释掉该配置并取消注释 MySQL 的配置。
     driver-class-name: org.h2.Driver
     url: jdbc:h2:file:~/halo/db/halo
     username: admin
     password: 123456
 
-    #MySql配置
+    # MySql 配置，如果你需要使用 H2Database，请注释掉该配置并取消注释上方 H2Database 的配置。
 #    driver-class-name: com.mysql.cj.jdbc.Driver
 #    url: jdbc:mysql://127.0.0.1:3306/halodb?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai
 #    username: root
 #    password: 123456
 
+  # H2Database 的控制台相关配置，如果你使用的是 MySQL ，请注释掉下方内容。
   h2:
     console:
       settings:

src/main/resources/application.yaml

@@ -24,11 +24,11 @@ spring:
     username: admin
     password: 123456
 
-  #MySql配置
-  #    driver-class-name: com.mysql.cj.jdbc.Driver
-  #    url: jdbc:mysql://127.0.0.1:3306/halodb?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai
-  #    username: root
-  #    password: 123456
+    # MySql 配置
+#    driver-class-name: com.mysql.cj.jdbc.Driver
+#    url: jdbc:mysql://127.0.0.1:3306/halodb?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai
+#    username: root
+#    password: 123456
 
   h2:
     console: