diff --git a/spring-cloud-alibaba-examples/governance-example/label-routing-example/istio-consumer-example/src/main/resources/application.yml b/spring-cloud-alibaba-examples/governance-example/label-routing-example/istio-consumer-example/src/main/resources/application.yml
index fab651433..a4cf45ee6 100644
--- a/spring-cloud-alibaba-examples/governance-example/label-routing-example/istio-consumer-example/src/main/resources/application.yml
+++ b/spring-cloud-alibaba-examples/governance-example/label-routing-example/istio-consumer-example/src/main/resources/application.yml
@@ -10,8 +10,8 @@ spring:
       discovery:
         server-addr: 127.0.0.1:8848
         fail-fast: true
-        username: nacos
-        password: nacos
+        username: 'nacos'
+        password: 'nacos'
     governance:
       auth:
         enabled: ${ISTIO_AUTH_ENABLE:false}
diff --git a/spring-cloud-alibaba-examples/integrated-example/config/datasource-config.yaml b/spring-cloud-alibaba-examples/integrated-example/config/datasource-config.yaml
index a5e4b6c4b..e3cc76339 100644
--- a/spring-cloud-alibaba-examples/integrated-example/config/datasource-config.yaml
+++ b/spring-cloud-alibaba-examples/integrated-example/config/datasource-config.yaml
@@ -1,8 +1,8 @@
 spring:
   datasource:
     driver-class-name: com.mysql.jdbc.Driver
-    username: root
-    password: 123456
+    username: 'root'
+    password: '123456'
   main:
     allow-bean-definition-overriding: true
 mybatis:
diff --git a/spring-cloud-alibaba-examples/integrated-example/helm-chart/Chart.yaml b/spring-cloud-alibaba-examples/integrated-example/helm-chart/Chart.yaml
index 29591f114..f29851558 100644
--- a/spring-cloud-alibaba-examples/integrated-example/helm-chart/Chart.yaml
+++ b/spring-cloud-alibaba-examples/integrated-example/helm-chart/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v1
-appVersion: "1.0"
+appVersion: '1.0'
 description: Spring Cloud Alibaba Best Practice Example
 name: integrated-example
 version: 1.0.0
\ No newline at end of file
diff --git a/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-account.yaml b/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-account.yaml
index e7196a319..e8777b112 100644
--- a/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-account.yaml
+++ b/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-account.yaml
@@ -15,7 +15,7 @@ spec:
     spec:
       containers:
         - name: integrated-account
-          image: "{{ .Values.image.repository }}integrated-account"
+          image: '{{ .Values.image.repository }}integrated-account'
           imagePullPolicy: Always
           ports:
             - name: http-port
diff --git a/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-frontend.yaml b/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-frontend.yaml
index 82f8f5d2f..efcf8a9ce 100644
--- a/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-frontend.yaml
+++ b/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-frontend.yaml
@@ -31,7 +31,7 @@ spec:
     spec:
       containers:
         - name: integrated-frontend
-          image: "{{ .Values.image.repository }}integrated-frontend"
+          image: '{{ .Values.image.repository }}integrated-frontend'
           imagePullPolicy: Always
           ports:
             - name: http-port
diff --git a/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-gateway.yaml b/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-gateway.yaml
index cc054f30d..01b278d4b 100644
--- a/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-gateway.yaml
+++ b/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-gateway.yaml
@@ -31,7 +31,7 @@ spec:
     spec:
       containers:
         - name: integrated-gateway
-          image: "{{ .Values.image.repository }}integrated-gateway"
+          image: '{{ .Values.image.repository }}integrated-gateway'
           imagePullPolicy: Always
           ports:
             - name: http-port
diff --git a/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-mysql.yaml b/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-mysql.yaml
index 5251b48b5..efe531a5c 100644
--- a/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-mysql.yaml
+++ b/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-mysql.yaml
@@ -43,11 +43,11 @@ spec:
     spec:
       containers:
         - name: integrated-mysql
-          image: "{{ .Values.image.repository }}integrated-mysql"
+          image: '{{ .Values.image.repository }}integrated-mysql'
           imagePullPolicy: Always
           env:
             - name: MYSQL_ROOT_PASSWORD
-              value: "123456"
+              value: '123456'
           ports:
             - containerPort: 3306
               protocol: TCP
\ No newline at end of file
diff --git a/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-nacos-mysql.yaml b/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-nacos-mysql.yaml
index c15950d5f..dfa410d9c 100644
--- a/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-nacos-mysql.yaml
+++ b/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-nacos-mysql.yaml
@@ -21,13 +21,13 @@ spec:
             - containerPort: 3306
           env:
             - name: MYSQL_ROOT_PASSWORD
-              value: "root"
+              value: 'root'
             - name: MYSQL_DATABASE
-              value: "nacos_config"
+              value: 'nacos_config'
             - name: MYSQL_USER
-              value: "nacos"
+              value: 'nacos'
             - name: MYSQL_PASSWORD
-              value: "nacos"
+              value: 'nacos'
 ---
 apiVersion: v1
 kind: Service
diff --git a/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-nacos-stand.yaml b/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-nacos-stand.yaml
index 24e32ef74..c9c0fe130 100644
--- a/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-nacos-stand.yaml
+++ b/spring-cloud-alibaba-examples/integrated-example/helm-chart/templates/integrated-nacos-stand.yaml
@@ -44,11 +44,11 @@ kind: ConfigMap
 metadata:
   name: nacos-cm
 data:
-  mysql.host: "nacos-mysql"
-  mysql.db.name: "nacos_config"
-  mysql.port: "3307"
-  mysql.user: "nacos"
-  mysql.password: "nacos"
+  mysql.host: 'nacos-mysql'
+  mysql.db.name: 'nacos_config'
+  mysql.port: '3307'
+  mysql.user: 'nacos'
+  mysql.password: 'nacos'
 ---
 apiVersion: apps/v1
 kind: Deployment
@@ -61,7 +61,7 @@ spec:
       labels:
         app: nacos-standalone
       annotations:
-        pod.alpha.kubernetes.io/initialized: "true"
+        pod.alpha.kubernetes.io/initialized: 'true'
     spec:
       affinity:
         podAntiAffinity:
@@ -72,7 +72,7 @@ spec:
                     operator: In
                     values:
                       - nacos-standalone
-              topologyKey: "kubernetes.io/hostname"
+              topologyKey: 'kubernetes.io/hostname'
       containers:
         - name: local-nacos
           imagePullPolicy: Always
@@ -115,11 +115,11 @@ spec:
                   name: nacos-cm
                   key: mysql.password
             - name: MODE
-              value: "standalone"
+              value: 'standalone'
             - name: NACOS_SERVER_PORT
-              value: "8848"
+              value: '8848'
             - name: PREFER_HOST_MODE
-              value: "hostname"
+              value: 'hostname'
   selector:
     matchLabels:
       app: nacos-standalone
diff --git a/spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-spring-cloud-config-client-example/src/main/resources/bootstrap.yml b/spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-spring-cloud-config-client-example/src/main/resources/bootstrap.yml
index 9abeb329b..b0a862353 100644
--- a/spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-spring-cloud-config-client-example/src/main/resources/bootstrap.yml
+++ b/spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-spring-cloud-config-client-example/src/main/resources/bootstrap.yml
@@ -3,8 +3,8 @@ spring:
     name: client
   cloud:
     nacos:
-      username: nacos
-      password: nacos
+      username: 'nacos'
+      password: 'nacos'
       discovery:
         server-addr: localhost:8848
     config:
diff --git a/spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-spring-cloud-config-server-example/src/main/resources/application.yml b/spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-spring-cloud-config-server-example/src/main/resources/application.yml
index cca1b4465..c710642fb 100644
--- a/spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-spring-cloud-config-server-example/src/main/resources/application.yml
+++ b/spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-spring-cloud-config-server-example/src/main/resources/application.yml
@@ -6,8 +6,8 @@ spring:
     name: configserver
   cloud:
     nacos:
-      username: nacos
-      password: nacos
+      username: 'nacos'
+      password: 'nacos'
       discovery:
         server-addr: localhost:8848
     config:
diff --git a/spring-cloud-alibaba-examples/seata-example/account-service/src/main/resources/application.yml b/spring-cloud-alibaba-examples/seata-example/account-service/src/main/resources/application.yml
index 195b96b2f..605121197 100644
--- a/spring-cloud-alibaba-examples/seata-example/account-service/src/main/resources/application.yml
+++ b/spring-cloud-alibaba-examples/seata-example/account-service/src/main/resources/application.yml
@@ -4,8 +4,8 @@ base:
       hostname: 127.0.0.1 #your mysql server ip address
       dbname: seata #your database name for test
       port: 3306 #your mysql server listening port
-      username: root #your mysql server username
-      password: root #your mysql server password
+      username: 'root' #your mysql server username
+      password: 'root' #your mysql server password
 
 server:
   port: 18084
@@ -42,12 +42,12 @@ seata:
     nacos:
       serverAddr: 127.0.0.1:8848
       dataId: "seata.properties"
-      username: "nacos"
-      password: "nacos"
+      username: 'nacos'
+      password: 'nacos'
   registry:
     type: nacos
     nacos:
       application: seata-server
       server-addr: 127.0.0.1:8848
-      username: "nacos"
-      password: "nacos"
+      username: 'nacos'
+      password: 'nacos'
diff --git a/spring-cloud-alibaba-examples/seata-example/business-service/src/main/resources/application.yml b/spring-cloud-alibaba-examples/seata-example/business-service/src/main/resources/application.yml
index e360bb340..e93a42a13 100644
--- a/spring-cloud-alibaba-examples/seata-example/business-service/src/main/resources/application.yml
+++ b/spring-cloud-alibaba-examples/seata-example/business-service/src/main/resources/application.yml
@@ -15,7 +15,7 @@ spring:
   application:
     name: business-service
   datasource:
-    name: "businessDataSource"
+    name: 'businessDataSource'
     type: com.alibaba.druid.pool.DruidDataSource
     driver-class-name: com.mysql.jdbc.Driver
     url: jdbc:mysql://xxx:3306/seata?useSSL=false&serverTimezone=UTC
@@ -36,15 +36,15 @@ seata:
     nacos:
       serverAddr: 127.0.0.1:8848
       dataId: "seata.properties"
-      username: "nacos"
-      password: "nacos"
+      username: 'nacos'
+      password: 'nacos'
   registry:
     type: nacos
     nacos:
       application: seata-server
       server-addr: 127.0.0.1:8848
-      username: "nacos"
-      password: "nacos"
+      username: 'nacos'
+      password: 'nacos'
 
   service:
     vgroup-mapping:
diff --git a/spring-cloud-alibaba-examples/seata-example/order-service/src/main/resources/application.yml b/spring-cloud-alibaba-examples/seata-example/order-service/src/main/resources/application.yml
index bf948818d..49683f33a 100644
--- a/spring-cloud-alibaba-examples/seata-example/order-service/src/main/resources/application.yml
+++ b/spring-cloud-alibaba-examples/seata-example/order-service/src/main/resources/application.yml
@@ -4,8 +4,8 @@ base:
       hostname: 127.0.0.1 #your mysql server ip address
       dbname: seata #your database name for test
       port: 3306 #your mysql server listening port
-      username: root #your mysql server username
-      password: root #your mysql server password
+      username: 'root' #your mysql server username
+      password: 'root' #your mysql server password
 server:
   port: 18083
 
@@ -39,12 +39,12 @@ seata:
     nacos:
       serverAddr: 127.0.0.1:8848
       dataId: "seata.properties"
-      username: "nacos"
-      password: "nacos"
+      username: 'nacos'
+      password: 'nacos'
   registry:
     type: nacos
     nacos:
       application: seata-server
       server-addr: 127.0.0.1:8848
-      username: "nacos"
-      password: "nacos"
+      username: 'nacos'
+      password: 'nacos'
diff --git a/spring-cloud-alibaba-examples/seata-example/seata-server/src/main/resources/application.yml b/spring-cloud-alibaba-examples/seata-example/seata-server/src/main/resources/application.yml
index 0cf028df8..9c2bc613d 100644
--- a/spring-cloud-alibaba-examples/seata-example/seata-server/src/main/resources/application.yml
+++ b/spring-cloud-alibaba-examples/seata-example/seata-server/src/main/resources/application.yml
@@ -4,8 +4,8 @@ base:
       hostname: 127.0.0.1 #your mysql server ip address
       dbname: seata #your database name for test
       port: 3306 #your mysql server listening port
-      username: root #your mysql server username
-      password: root #your mysql server password
+      username: 'root' #your mysql server username
+      password: 'root' #your mysql server password
 
 server:
   port: 7091
@@ -36,8 +36,8 @@ seata:
     type: nacos
     nacos:
       server-addr: 127.0.0.1:8848
-      username: nacos
-      password: nacos
+      username: 'nacos'
+      password: 'nacos'
       ##if use MSE Nacos with auth, mutex with username/password attribute
       #access-key: ""
       #secret-key: ""
diff --git a/spring-cloud-alibaba-examples/seata-example/storage-service/src/main/resources/application.yml b/spring-cloud-alibaba-examples/seata-example/storage-service/src/main/resources/application.yml
index 8df1abca6..3d4d94e64 100644
--- a/spring-cloud-alibaba-examples/seata-example/storage-service/src/main/resources/application.yml
+++ b/spring-cloud-alibaba-examples/seata-example/storage-service/src/main/resources/application.yml
@@ -4,8 +4,8 @@ base:
       hostname: 127.0.0.1 #your mysql server ip address
       dbname: seata #your database name for test
       port: 3306 #your mysql server listening port
-      username: root #your mysql server username
-      password: root #your mysql server password
+      username: 'root' #your mysql server username
+      password: 'root' #your mysql server password
 
 server:
   port: 18082
@@ -40,13 +40,13 @@ seata:
     nacos:
       serverAddr: 127.0.0.1:8848
       dataId: "seata.properties"
-      username: "nacos"
-      password: "nacos"
+      username: 'nacos'
+      password: 'nacos'
   registry:
     type: nacos
     nacos:
       application: seata-server
       server-addr: 127.0.0.1:8848
-      username: "nacos"
-      password: "nacos"
+      username: 'nacos'
+      password: 'nacos'
 
diff --git a/spring-cloud-alibaba-examples/spring-cloud-alibaba-sidecar-examples/spring-cloud-alibaba-sidecar-nacos-example/src/main/resources/application.yml b/spring-cloud-alibaba-examples/spring-cloud-alibaba-sidecar-examples/spring-cloud-alibaba-sidecar-nacos-example/src/main/resources/application.yml
index 22642a71c..467a4efaa 100644
--- a/spring-cloud-alibaba-examples/spring-cloud-alibaba-sidecar-examples/spring-cloud-alibaba-sidecar-nacos-example/src/main/resources/application.yml
+++ b/spring-cloud-alibaba-examples/spring-cloud-alibaba-sidecar-examples/spring-cloud-alibaba-sidecar-nacos-example/src/main/resources/application.yml
@@ -3,8 +3,8 @@ server:
 spring:
   cloud:
     nacos:
-      username: nacos
-      password: nacos
+      username: 'nacos'
+      password: 'nacos'
       discovery:
         server-addr: 127.0.0.1:8848
         group: test