diff --git a/im-service/im-router/pom.xml b/im-service/im-router/pom.xml
index 413a705..9d9af90 100644
--- a/im-service/im-router/pom.xml
+++ b/im-service/im-router/pom.xml
@@ -67,6 +67,10 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>com.github.ben-manes.caffeine</groupId>
+            <artifactId>caffeine</artifactId>
+        </dependency>
     </dependencies>
 
 </project>
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index ca25802..c1835e0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -143,6 +143,11 @@
                 <artifactId>spring-boot-starter-data-redis</artifactId>
                 <version>${spring-boot.version}</version>
             </dependency>
+            <dependency>
+                <groupId>com.github.ben-manes.caffeine</groupId>
+                <artifactId>caffeine</artifactId>
+                <version>3.0.5</version>
+            </dependency>
             <dependency>
                 <groupId>org.apache.commons</groupId>
                 <artifactId>commons-pool2</artifactId>