diff --git a/.gitignore b/.gitignore
index 7760bdcfe4706b2fc20c1c8643ca042338edb311..ac4a37daab401242d78fa4768b8f13a5dfd504c0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -84,3 +84,5 @@ buildNumber.properties
 /.idea/.name
 /.idea/vcs.xml
 .idea
+!/demo-parent.iml
+!/demo-parent.iml
diff --git a/demo-parent.iml b/demo-parent.iml
index 8cffef8f8c4301df1a8a7a3f088e426b49ce1220..3c81f99e5ffadced51f4632fbc8bc8f8c98d1c47 100644
--- a/demo-parent.iml
+++ b/demo-parent.iml
@@ -13,6 +13,38 @@
     <orderEntry type="library" name="Maven: org.springframework.boot:spring-boot:2.1.6.RELEASE" level="project" />
     <orderEntry type="library" name="Maven: org.springframework.boot:spring-boot-autoconfigure:2.1.6.RELEASE" level="project" />
     <orderEntry type="library" name="Maven: org.springframework.boot:spring-boot-starter-logging:2.1.6.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.slf4j:jul-to-slf4j:1.7.26" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework.boot:spring-boot-starter-json:2.1.6.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: com.fasterxml.jackson.core:jackson-databind:2.9.9" level="project" />
+    <orderEntry type="library" name="Maven: com.fasterxml.jackson.core:jackson-core:2.9.9" level="project" />
+    <orderEntry type="library" name="Maven: com.fasterxml.jackson.datatype:jackson-datatype-jdk8:2.9.9" level="project" />
+    <orderEntry type="library" name="Maven: com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.9.9" level="project" />
+    <orderEntry type="library" name="Maven: com.fasterxml.jackson.module:jackson-module-parameter-names:2.9.9" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework.boot:spring-boot-starter-tomcat:2.1.6.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.tomcat.embed:tomcat-embed-core:9.0.21" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.tomcat.embed:tomcat-embed-el:9.0.21" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.tomcat.embed:tomcat-embed-websocket:9.0.21" level="project" />
+    <orderEntry type="library" name="Maven: org.hibernate.validator:hibernate-validator:6.0.17.Final" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework:spring-web:5.1.8.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework:spring-beans:5.1.8.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework:spring-webmvc:5.1.8.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework:spring-aop:5.1.8.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework:spring-context:5.1.8.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework:spring-expression:5.1.8.RELEASE" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.springframework.boot:spring-boot-starter-test:2.1.6.RELEASE" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.springframework.boot:spring-boot-test:2.1.6.RELEASE" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.springframework.boot:spring-boot-test-autoconfigure:2.1.6.RELEASE" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: net.bytebuddy:byte-buddy:1.9.13" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: net.bytebuddy:byte-buddy-agent:1.9.13" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework:spring-core:5.1.8.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework:spring-jcl:5.1.8.RELEASE" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.springframework:spring-test:5.1.8.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.slf4j:slf4j-api:1.7.26" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework.boot:spring-boot-starter-web:2.1.6.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework.boot:spring-boot-starter:2.1.6.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework.boot:spring-boot:2.1.6.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework.boot:spring-boot-autoconfigure:2.1.6.RELEASE" level="project" />
+    <orderEntry type="library" name="Maven: org.springframework.boot:spring-boot-starter-logging:2.1.6.RELEASE" level="project" />
     <orderEntry type="library" name="Maven: ch.qos.logback:logback-classic:1.2.3" level="project" />
     <orderEntry type="library" name="Maven: ch.qos.logback:logback-core:1.2.3" level="project" />
     <orderEntry type="library" name="Maven: org.apache.logging.log4j:log4j-to-slf4j:2.11.2" level="project" />
@@ -59,10 +91,17 @@
     <orderEntry type="library" name="Maven: org.springframework:spring-jcl:5.1.8.RELEASE" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: org.springframework:spring-test:5.1.8.RELEASE" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: org.xmlunit:xmlunit-core:2.6.2" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: javax.xml.bind:jaxb-api:2.3.1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: javax.activation:javax.activation-api:1.2.0" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: com.jayway.jsonpath:json-path:2.4.0" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: net.minidev:json-smart:2.3" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: net.minidev:accessors-smart:1.2" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: org.ow2.asm:asm:5.0.4" level="project" />
     <orderEntry type="library" name="Maven: org.slf4j:slf4j-api:1.7.26" level="project" />
+    <orderEntry type="library" name="Maven: com.google.guava:guava:23.0" level="project" />
+    <orderEntry type="library" name="Maven: com.google.code.findbugs:jsr305:1.3.9" level="project" />
+    <orderEntry type="library" name="Maven: com.google.errorprone:error_prone_annotations:2.0.18" level="project" />
+    <orderEntry type="library" name="Maven: com.google.j2objc:j2objc-annotations:1.1" level="project" />
+    <orderEntry type="library" name="Maven: org.codehaus.mojo:animal-sniffer-annotations:1.14" level="project" />
   </component>
 </module>
\ No newline at end of file
diff --git a/kafka/kafka.iml b/kafka/kafka.iml
index 85ab1e7569283dbd96f1ec46a2719b900479c0e8..7fa819ab37456d475b9e960a2a2f132eb3727870 100644
--- a/kafka/kafka.iml
+++ b/kafka/kafka.iml
@@ -92,10 +92,17 @@
     <orderEntry type="library" name="Maven: org.springframework:spring-core:5.1.8.RELEASE" level="project" />
     <orderEntry type="library" name="Maven: org.springframework:spring-jcl:5.1.8.RELEASE" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: org.xmlunit:xmlunit-core:2.6.2" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: javax.xml.bind:jaxb-api:2.3.1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: javax.activation:javax.activation-api:1.2.0" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: com.jayway.jsonpath:json-path:2.4.0" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: net.minidev:json-smart:2.3" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: net.minidev:accessors-smart:1.2" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: org.ow2.asm:asm:5.0.4" level="project" />
     <orderEntry type="library" name="Maven: org.slf4j:slf4j-api:1.7.26" level="project" />
+    <orderEntry type="library" name="Maven: com.google.guava:guava:23.0" level="project" />
+    <orderEntry type="library" name="Maven: com.google.code.findbugs:jsr305:1.3.9" level="project" />
+    <orderEntry type="library" name="Maven: com.google.errorprone:error_prone_annotations:2.0.18" level="project" />
+    <orderEntry type="library" name="Maven: com.google.j2objc:j2objc-annotations:1.1" level="project" />
+    <orderEntry type="library" name="Maven: org.codehaus.mojo:animal-sniffer-annotations:1.14" level="project" />
   </component>
 </module>
\ No newline at end of file