diff --git a/client/src/main/java/com/ossez/discourse/client/service/PostsService.java b/client/src/main/java/com/ossez/discourse/client/service/PostsService.java
index be01d15..8eb6044 100644
--- a/client/src/main/java/com/ossez/discourse/client/service/PostsService.java
+++ b/client/src/main/java/com/ossez/discourse/client/service/PostsService.java
@@ -1,11 +1,9 @@
 package com.ossez.discourse.client.service;
 
 import com.fasterxml.jackson.databind.DeserializationFeature;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.PropertyNamingStrategy;
 import com.ossez.discourse.client.DiscourseClient;
 import com.ossez.discourse.common.model.dto.Post;
-import com.ossez.discourse.common.model.dto.Topics;
 import okhttp3.OkHttpClient;
 import okhttp3.Response;
 import org.apache.http.HttpStatus;
diff --git a/client/src/main/java/com/ossez/discourse/client/service/TopicsService.java b/client/src/main/java/com/ossez/discourse/client/service/TopicsService.java
index 99e955a..0425440 100644
--- a/client/src/main/java/com/ossez/discourse/client/service/TopicsService.java
+++ b/client/src/main/java/com/ossez/discourse/client/service/TopicsService.java
@@ -2,7 +2,7 @@ package com.ossez.discourse.client.service;
 
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.ossez.discourse.common.model.dto.Topics;
+import com.ossez.discourse.common.model.dto.Topic;
 import com.ossez.discourse.client.DiscourseClient;
 import okhttp3.*;
 import org.apache.http.HttpStatus;
@@ -30,10 +30,10 @@ public class TopicsService extends DiscourseClient {
         DiscourseClient.api_key = apiKey;
     }
 
-    public Optional<Topics> getTopic(Long topicId) {
+    public Optional<Topic> getTopic(Long topicId) {
         String path = "t/" + String.valueOf(topicId) + ".json";
 
-        Optional<Topics> discourseTopic = Optional.ofNullable(new Topics());
+        Optional<Topic> discourseTopic = Optional.ofNullable(new Topic());
         try {
             Response response = client.newCall(getRequest(path)).execute();
 
@@ -42,7 +42,7 @@ public class TopicsService extends DiscourseClient {
             if (response.code() == HttpStatus.SC_OK) {
                 ObjectMapper objectMapper = new ObjectMapper();
                 objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
-                discourseTopic = Optional.of(objectMapper.readValue(responseStr, Topics.class));
+                discourseTopic = Optional.of(objectMapper.readValue(responseStr, Topic.class));
 
             }
 
diff --git a/client/src/test/java/com/ossez/discourse/client/test/TestBase.java b/client/src/test/java/com/ossez/discourse/client/test/TestBase.java
index 63c0ec3..f4da9d3 100644
--- a/client/src/test/java/com/ossez/discourse/client/test/TestBase.java
+++ b/client/src/test/java/com/ossez/discourse/client/test/TestBase.java
@@ -23,6 +23,8 @@ import java.util.Properties;
 public class TestBase {
     private static final Logger log = LoggerFactory.getLogger(TestBase.class);
     private static final String TEST_CONFIG_PROPERTIES= "test-config.properties";
+    public static final Long DISCOURSE_POST_ID = 594L;
+    public static final Long DISCOURSE_TOPIC_ID = 570L;
 
     @BeforeAll
     public void setup() {
diff --git a/client/src/test/java/com/ossez/discourse/client/test/TopicsServiceTest.java b/client/src/test/java/com/ossez/discourse/client/test/TopicServiceTest.java
similarity index 61%
rename from client/src/test/java/com/ossez/discourse/client/test/TopicsServiceTest.java
rename to client/src/test/java/com/ossez/discourse/client/test/TopicServiceTest.java
index 82304cd..dc554c8 100644
--- a/client/src/test/java/com/ossez/discourse/client/test/TopicsServiceTest.java
+++ b/client/src/test/java/com/ossez/discourse/client/test/TopicServiceTest.java
@@ -3,20 +3,25 @@ package com.ossez.discourse.client.test;
 import com.google.inject.Inject;
 import com.ossez.discourse.client.service.TopicsService;
 import com.ossez.discourse.common.exception.WxErrorException;
+import com.ossez.discourse.common.model.dto.Topic;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.TestInstance;
 import org.junit.jupiter.api.TestInstance.Lifecycle;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.Optional;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
 /**
  * Test for datacube API
  *
  * @author YuCheng
  */
 @TestInstance(Lifecycle.PER_CLASS)
-public class TopicsServiceTest extends TestBase {
-    private static final Logger log = LoggerFactory.getLogger(TopicsServiceTest.class);
+public class TopicServiceTest extends TestBase {
+    private static final Logger log = LoggerFactory.getLogger(TopicServiceTest.class);
     @Inject
     protected TopicsService topicsService;
 
@@ -28,7 +33,12 @@ public class TopicsServiceTest extends TestBase {
     @Test
     public void testCreate() throws WxErrorException {
         log.debug("Create WeChat Offical Account Menun Test");
-        log.debug("{}", topicsService.getTopic(Long.valueOf("1245")).get().getTitle());
+        Optional<Topic> topic = topicsService.getTopic(DISCOURSE_TOPIC_ID);
+        assertThat(topic).isNotEmpty();
+
+        assertThat(topic.get().getId()).isEqualTo(DISCOURSE_TOPIC_ID);
+        assertThat(topic.get().getTitle()).isNotEmpty();
+        log.debug("{}", topic.get().getTitle());
 
 
     }
diff --git a/client/src/test/resources/test-config.properties b/client/src/test/resources/test-config.properties
index b1d0fc6..bb2311b 100644
--- a/client/src/test/resources/test-config.properties
+++ b/client/src/test/resources/test-config.properties
@@ -1,4 +1,4 @@
 # --- APP ---
 api.site.url=https://www.zchub.net/
-api.username=******
-api.key=******
\ No newline at end of file
+api.username=zchub
+api.key=a6e6882164f606343bb0a9cde05992f27e73db2cf76c9347b885323a98f8afd3
\ No newline at end of file
diff --git a/common/pom.xml b/common/pom.xml
index b52139a..ac7ceee 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -17,6 +17,27 @@
     <name>Discourse Java Common</name>
     <description>The module is common for all other package</description>
 
+    <licenses>
+        <license>
+            <name>The MIT license</name>
+            <url>https://opensource.org/licenses/mit-license.php</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+    
+    <distributionManagement>
+        <repository>
+            <id>ossez-repo</id>
+            <url>https://repo.ossez.com/repository/maven-releases/</url>
+        </repository>
+
+        <snapshotRepository>
+            <id>ossez-repo</id>
+            <url>https://repo.ossez.com/repository/maven-snapshots/</url>
+        </snapshotRepository>
+    </distributionManagement>
+
+
     <dependencies>
         <dependency>
             <groupId>org.jodd</groupId>
@@ -125,9 +146,13 @@
             <groupId>org.redisson</groupId>
             <artifactId>redisson</artifactId>
         </dependency>
+
+        <!-- TESTS -->
         <dependency>
-            <groupId>org.springframework.data</groupId>
-            <artifactId>spring-data-redis</artifactId>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>3.24.2</version>
+            <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.jetbrains</groupId>
diff --git a/common/src/main/java/com/ossez/discourse/common/model/dto/Topic.java b/common/src/main/java/com/ossez/discourse/common/model/dto/Topic.java
new file mode 100644
index 0000000..67db215
--- /dev/null
+++ b/common/src/main/java/com/ossez/discourse/common/model/dto/Topic.java
@@ -0,0 +1,317 @@
+package com.ossez.discourse.common.model.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class Topic {
+
+    @JsonProperty(value = "id", required = true)
+    private Long id;
+    @JsonProperty(required = true)
+    private String title;
+    private String fancyTitle;
+    private Integer postsCount;
+    private String createdAt;
+    private Integer views;
+    private Integer replyCount;
+    private Integer likeCount;
+    private String lastPostedAt;
+    private Boolean visible;
+    private Boolean closed;
+    private Boolean archived;
+    private Boolean hasSummary;
+    private String archetype;
+    private String slug;
+    private Integer categoryId;
+    private Integer wordCount;
+    private String deletedAt;
+    private Long userId;
+    private String featuredLink;
+    private Boolean pinnedGlobally;
+    private String pinnedAt;
+    private String pinnedUntil;
+    private String imageUrl;
+    private Integer slowModeSeconds;
+    private String draft;
+    private String draftKey;
+    private Integer draftSequence;
+    private String unpinned;
+    private Boolean pinned;
+    private Integer currentPostNumber;
+    private Integer highestPostNumber;
+    private String deletedBy;
+    private Boolean hasDeleted;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getFancyTitle() {
+        return fancyTitle;
+    }
+
+    public void setFancyTitle(String fancyTitle) {
+        this.fancyTitle = fancyTitle;
+    }
+
+    public Integer getPostsCount() {
+        return postsCount;
+    }
+
+    public void setPostsCount(Integer postsCount) {
+        this.postsCount = postsCount;
+    }
+
+    public String getCreatedAt() {
+        return createdAt;
+    }
+
+    public void setCreatedAt(String createdAt) {
+        this.createdAt = createdAt;
+    }
+
+    public Integer getViews() {
+        return views;
+    }
+
+    public void setViews(Integer views) {
+        this.views = views;
+    }
+
+    public Integer getReplyCount() {
+        return replyCount;
+    }
+
+    public void setReplyCount(Integer replyCount) {
+        this.replyCount = replyCount;
+    }
+
+    public Integer getLikeCount() {
+        return likeCount;
+    }
+
+    public void setLikeCount(Integer likeCount) {
+        this.likeCount = likeCount;
+    }
+
+    public String getLastPostedAt() {
+        return lastPostedAt;
+    }
+
+    public void setLastPostedAt(String lastPostedAt) {
+        this.lastPostedAt = lastPostedAt;
+    }
+
+    public Boolean getVisible() {
+        return visible;
+    }
+
+    public void setVisible(Boolean visible) {
+        this.visible = visible;
+    }
+
+    public Boolean getClosed() {
+        return closed;
+    }
+
+    public void setClosed(Boolean closed) {
+        this.closed = closed;
+    }
+
+    public Boolean getArchived() {
+        return archived;
+    }
+
+    public void setArchived(Boolean archived) {
+        this.archived = archived;
+    }
+
+    public Boolean getHasSummary() {
+        return hasSummary;
+    }
+
+    public void setHasSummary(Boolean hasSummary) {
+        this.hasSummary = hasSummary;
+    }
+
+    public String getArchetype() {
+        return archetype;
+    }
+
+    public void setArchetype(String archetype) {
+        this.archetype = archetype;
+    }
+
+    public String getSlug() {
+        return slug;
+    }
+
+    public void setSlug(String slug) {
+        this.slug = slug;
+    }
+
+    public Integer getCategoryId() {
+        return categoryId;
+    }
+
+    public void setCategoryId(Integer categoryId) {
+        this.categoryId = categoryId;
+    }
+
+    public Integer getWordCount() {
+        return wordCount;
+    }
+
+    public void setWordCount(Integer wordCount) {
+        this.wordCount = wordCount;
+    }
+
+    public String getDeletedAt() {
+        return deletedAt;
+    }
+
+    public void setDeletedAt(String deletedAt) {
+        this.deletedAt = deletedAt;
+    }
+
+    public Long getUserId() {
+        return userId;
+    }
+
+    public void setUserId(Long userId) {
+        this.userId = userId;
+    }
+
+    public String getFeaturedLink() {
+        return featuredLink;
+    }
+
+    public void setFeaturedLink(String featuredLink) {
+        this.featuredLink = featuredLink;
+    }
+
+    public Boolean getPinnedGlobally() {
+        return pinnedGlobally;
+    }
+
+    public void setPinnedGlobally(Boolean pinnedGlobally) {
+        this.pinnedGlobally = pinnedGlobally;
+    }
+
+    public String getPinnedAt() {
+        return pinnedAt;
+    }
+
+    public void setPinnedAt(String pinnedAt) {
+        this.pinnedAt = pinnedAt;
+    }
+
+    public String getPinnedUntil() {
+        return pinnedUntil;
+    }
+
+    public void setPinnedUntil(String pinnedUntil) {
+        this.pinnedUntil = pinnedUntil;
+    }
+
+    public String getImageUrl() {
+        return imageUrl;
+    }
+
+    public void setImageUrl(String imageUrl) {
+        this.imageUrl = imageUrl;
+    }
+
+    public Integer getSlowModeSeconds() {
+        return slowModeSeconds;
+    }
+
+    public void setSlowModeSeconds(Integer slowModeSeconds) {
+        this.slowModeSeconds = slowModeSeconds;
+    }
+
+    public String getDraft() {
+        return draft;
+    }
+
+    public void setDraft(String draft) {
+        this.draft = draft;
+    }
+
+    public String getDraftKey() {
+        return draftKey;
+    }
+
+    public void setDraftKey(String draftKey) {
+        this.draftKey = draftKey;
+    }
+
+    public Integer getDraftSequence() {
+        return draftSequence;
+    }
+
+    public void setDraftSequence(Integer draftSequence) {
+        this.draftSequence = draftSequence;
+    }
+
+    public String getUnpinned() {
+        return unpinned;
+    }
+
+    public void setUnpinned(String unpinned) {
+        this.unpinned = unpinned;
+    }
+
+    public Boolean getPinned() {
+        return pinned;
+    }
+
+    public void setPinned(Boolean pinned) {
+        this.pinned = pinned;
+    }
+
+    public Integer getCurrentPostNumber() {
+        return currentPostNumber;
+    }
+
+    public void setCurrentPostNumber(Integer currentPostNumber) {
+        this.currentPostNumber = currentPostNumber;
+    }
+
+    public Integer getHighestPostNumber() {
+        return highestPostNumber;
+    }
+
+    public void setHighestPostNumber(Integer highestPostNumber) {
+        this.highestPostNumber = highestPostNumber;
+    }
+
+    public String getDeletedBy() {
+        return deletedBy;
+    }
+
+    public void setDeletedBy(String deletedBy) {
+        this.deletedBy = deletedBy;
+    }
+
+    public Boolean getHasDeleted() {
+        return hasDeleted;
+    }
+
+    public void setHasDeleted(Boolean hasDeleted) {
+        this.hasDeleted = hasDeleted;
+    }
+}
+
+
diff --git a/common/src/main/java/com/ossez/discourse/common/model/dto/Topics.java b/common/src/main/java/com/ossez/discourse/common/model/dto/Topics.java
deleted file mode 100644
index 849c623..0000000
--- a/common/src/main/java/com/ossez/discourse/common/model/dto/Topics.java
+++ /dev/null
@@ -1,99 +0,0 @@
-package com.ossez.discourse.common.model.dto;
-
-import com.fasterxml.jackson.annotation.JsonProperty;
-import lombok.experimental.Accessors;
-
-import java.util.List;
-
-public class Topics {
-
-    @JsonProperty(value = "id", required = true)
-    private Long topicId;
-
-    @JsonProperty(required = true)
-    private String postId;
-
-    @JsonProperty(required = true)
-    private String title;
-
-    @JsonProperty(required = true)
-    private String raw;
-
-    @JsonProperty(value = "category_id", required = true)
-    private Integer category;
-
-    @JsonProperty(value = "image_url")
-    private String imageUrl;
-
-    @JsonProperty(value = "word_count")
-    private Integer wordCount;
-
-    @JsonProperty(value = "tags")
-    private List<String> tags;
-
-    public Long getTopicId() {
-        return topicId;
-    }
-
-    public void setTopicId(Long topicId) {
-        this.topicId = topicId;
-    }
-
-    public String getPostId() {
-        return postId;
-    }
-
-    public void setPostId(String postId) {
-        this.postId = postId;
-    }
-
-    public String getTitle() {
-        return title;
-    }
-
-    public void setTitle(String title) {
-        this.title = title;
-    }
-
-    public String getRaw() {
-        return raw;
-    }
-
-    public void setRaw(String raw) {
-        this.raw = raw;
-    }
-
-    public Integer getCategory() {
-        return category;
-    }
-
-    public void setCategory(Integer category) {
-        this.category = category;
-    }
-
-    public String getImageUrl() {
-        return imageUrl;
-    }
-
-    public void setImageUrl(String imageUrl) {
-        this.imageUrl = imageUrl;
-    }
-
-    public Integer getWordCount() {
-        return wordCount;
-    }
-
-    public void setWordCount(Integer wordCount) {
-        this.wordCount = wordCount;
-    }
-
-    public List<String> getTags() {
-        return tags;
-    }
-
-    public void setTags(List<String> tags) {
-        this.tags = tags;
-    }
-}
-
-