diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
index dfc75ed..4525a23 100644
--- a/.idea/jarRepositories.xml
+++ b/.idea/jarRepositories.xml
@@ -16,6 +16,11 @@
       <option name="name" value="OSSEZ Private Snapshots" />
       <option name="url" value="https://repo.ossez.com/repository/maven-snapshots/" />
     </remote-repository>
+    <remote-repository>
+      <option name="id" value="maven_central" />
+      <option name="name" value="Maven Central" />
+      <option name="url" value="https://repo.maven.apache.org/maven2/" />
+    </remote-repository>
     <remote-repository>
       <option name="id" value="central" />
       <option name="name" value="Central Repository" />
diff --git a/client/pom.xml b/client/pom.xml
index e1d3b52..f20ed31 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -62,11 +62,6 @@
             <groupId>org.redisson</groupId>
             <artifactId>redisson</artifactId>
         </dependency>
-        <dependency>
-            <groupId>com.fasterxml.jackson.dataformat</groupId>
-            <artifactId>jackson-dataformat-xml</artifactId>
-            <optional>true</optional>
-        </dependency>
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcprov-jdk15on</artifactId>
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 ded492e..3606ceb 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
@@ -1,8 +1,10 @@
 package com.ossez.discourse.client.service;
 
+import com.fasterxml.jackson.core.StreamReadFeature;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.PropertyNamingStrategy;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import com.ossez.discourse.common.exception.DiscourseError;
 import com.ossez.discourse.common.exception.DiscourseRuntimeException;
 import com.ossez.discourse.common.model.dto.Post;
@@ -48,10 +50,10 @@ public class TopicsService extends DiscourseClient {
 
             if (response.code() == HttpStatus.SC_OK) {
                 ObjectMapper objectMapper = new ObjectMapper();
+                objectMapper.registerModule(new JavaTimeModule());
                 objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
                 objectMapper.setPropertyNamingStrategy(PropertyNamingStrategy.SNAKE_CASE);
                 discourseTopic = Optional.of(objectMapper.readValue(responseStr, Topic.class));
-
             }
 
         } catch (IOException e) {
diff --git a/common/pom.xml b/common/pom.xml
index 11c2d90..afedacc 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -70,7 +70,7 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>jcl-over-slf4j</artifactId>
-            <version>1.7.36</version>
+            <version>2.0.16</version>
         </dependency>
 
         <dependency>
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
index 6fb6e00..007c603 100644
--- 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
@@ -5,6 +5,7 @@ import com.fasterxml.jackson.databind.PropertyNamingStrategy;
 import com.fasterxml.jackson.databind.annotation.JsonNaming;
 
 import java.time.LocalDate;
+import java.time.LocalDateTime;
 import java.util.List;
 
 @JsonNaming(PropertyNamingStrategy.SnakeCaseStrategy.class)
@@ -18,7 +19,7 @@ public class Topic {
     private String title;
     private String fancyTitle;
     private Integer postsCount;
-    private LocalDate createdAt;
+    private LocalDateTime createdAt;
     private Integer views;
     private Integer replyCount;
     private Integer likeCount;
@@ -109,11 +110,11 @@ public class Topic {
         this.postsCount = postsCount;
     }
 
-    public LocalDate getCreatedAt() {
+    public LocalDateTime getCreatedAt() {
         return createdAt;
     }
 
-    public void setCreatedAt(LocalDate createdAt) {
+    public void setCreatedAt(LocalDateTime createdAt) {
         this.createdAt = createdAt;
     }
 
diff --git a/pom.xml b/pom.xml
index 5017fab..32645b7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -133,11 +133,7 @@
                 <artifactId>gson</artifactId>
                 <version>2.8.9</version>
             </dependency>
-            <dependency>
-                <groupId>com.fasterxml.jackson.dataformat</groupId>
-                <artifactId>jackson-dataformat-xml</artifactId>
-                <version>2.13.0</version>
-            </dependency>
+
 
             <!-- 测试所用依赖 -->
             <dependency>
@@ -304,16 +300,17 @@
         </dependency>
 
         <!-- JSON -->
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-core</artifactId>
-            <version>2.14.0</version>
-        </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.datatype</groupId>
             <artifactId>jackson-datatype-jsr310</artifactId>
-            <version>2.14.0</version>
+            <version>2.17.2</version>
         </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.dataformat</groupId>
+            <artifactId>jackson-dataformat-xml</artifactId>
+            <version>2.17.2</version>
+        </dependency>
+
 
         <!-- TEST -->
         <dependency>
@@ -551,5 +548,12 @@
             <!--      </plugin>-->
         </plugins>
     </build>
+    <repositories>
+        <repository>
+            <id>maven_central</id>
+            <name>Maven Central</name>
+            <url>https://repo.maven.apache.org/maven2/</url>
+        </repository>
+    </repositories>
 
 </project>