diff --git a/.gitignore b/.gitignore
index ceb8f86..1e16a38 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,7 @@ target/
 *.iml
 
 .DS_Store
+
+# Local service configuration
+patbond-*/src/main/resources/application.yml
+!patbond-*/src/main/resources/application.yml.sample
diff --git a/Readme.md b/Readme.md
index cdaca08..e6e9199 100644
--- a/Readme.md
+++ b/Readme.md
@@ -10,7 +10,7 @@ Patbond API is a Spring Cloud microservice project.
 
 ## Technology Stack
 
-- Java 8
+- Java 17
 - Spring Boot 2.7.18
 - Spring Cloud 2021.0.9
 - Spring Cloud Alibaba 2021.0.6.0
diff --git a/patbond-auth/src/main/resources/application.yml b/patbond-auth/src/main/resources/application.yml
deleted file mode 100644
index f0d9afd..0000000
--- a/patbond-auth/src/main/resources/application.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-server:
-  port: 8081
-
-spring:
-  config:
-    import: "optional:nacos:patbond-auth.yml"
-  application:
-    name: patbond-auth
-  cloud:
-    nacos:
-      discovery:
-        server-addr: 132.232.242.77:8848
-      config:
-        server-addr: 132.232.242.77:8848
diff --git a/patbond-auth/src/main/resources/application.yml.sample b/patbond-auth/src/main/resources/application.yml.sample
new file mode 100644
index 0000000..2ed0f96
--- /dev/null
+++ b/patbond-auth/src/main/resources/application.yml.sample
@@ -0,0 +1,16 @@
+server:
+  port: 8081
+
+spring:
+  config:
+    import: "optional:nacos:patbond-auth.yml"
+  application:
+    name: patbond-auth
+  cloud:
+    nacos:
+      discovery:
+        server-addr: ${NACOS_SERVER_ADDR:127.0.0.1:8848}
+        register-enabled: ${NACOS_REGISTER_ENABLED:true}
+        fail-fast: ${NACOS_DISCOVERY_FAIL_FAST:false}
+      config:
+        server-addr: ${NACOS_SERVER_ADDR:127.0.0.1:8848}
diff --git a/patbond-user/src/main/resources/application.yml b/patbond-user/src/main/resources/application.yml
deleted file mode 100644
index 949f3cf..0000000
--- a/patbond-user/src/main/resources/application.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-server:
-  port: 8082
-
-spring:
-  config:
-    import: "optional:nacos:patbond-user.yml"
-  application:
-    name: patbond-user
-  cloud:
-    nacos:
-      discovery:
-        server-addr: 132.232.242.77:8848
-      config:
-        server-addr: 132.232.242.77:8848
diff --git a/patbond-user/src/main/resources/application.yml.sample b/patbond-user/src/main/resources/application.yml.sample
new file mode 100644
index 0000000..19705b3
--- /dev/null
+++ b/patbond-user/src/main/resources/application.yml.sample
@@ -0,0 +1,16 @@
+server:
+  port: 8082
+
+spring:
+  config:
+    import: "optional:nacos:patbond-user.yml"
+  application:
+    name: patbond-user
+  cloud:
+    nacos:
+      discovery:
+        server-addr: ${NACOS_SERVER_ADDR:127.0.0.1:8848}
+        register-enabled: ${NACOS_REGISTER_ENABLED:true}
+        fail-fast: ${NACOS_DISCOVERY_FAIL_FAST:false}
+      config:
+        server-addr: ${NACOS_SERVER_ADDR:127.0.0.1:8848}
diff --git a/pom.xml b/pom.xml
index 1639262..82071d6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
     </modules>
 
     <properties>
-        <java.version>1.8</java.version>
+        <java.version>17</java.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>