diff --git a/src/backend/workspace_server/build.gradle b/src/backend/workspace_server/build.gradle
index d4d33239..9cc4199e 100644
--- a/src/backend/workspace_server/build.gradle
+++ b/src/backend/workspace_server/build.gradle
@@ -41,6 +41,9 @@ dependencies {
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
     testImplementation 'org.springframework.kafka:spring-kafka-test'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+
+    //common-module
+    implementation project(":common_module")
 }
 
 tasks.named('test') {
diff --git a/src/backend/workspace_server/settings.gradle b/src/backend/workspace_server/settings.gradle
index 462aba0f..d7dcfaea 100644
--- a/src/backend/workspace_server/settings.gradle
+++ b/src/backend/workspace_server/settings.gradle
@@ -1 +1,4 @@
 rootProject.name = 'workspace_server'
+
+include(":common_module")
+findProject(":common_module")?.projectDir = file("../common_module")
\ No newline at end of file
diff --git a/src/backend/workspace_server/src/main/java/com/jootalkpia/workspace_server/WorkspaceServerApplication.java b/src/backend/workspace_server/src/main/java/com/jootalkpia/workspace_server/WorkspaceServerApplication.java
index 0a2a1e66..bbcb7f29 100644
--- a/src/backend/workspace_server/src/main/java/com/jootalkpia/workspace_server/WorkspaceServerApplication.java
+++ b/src/backend/workspace_server/src/main/java/com/jootalkpia/workspace_server/WorkspaceServerApplication.java
@@ -5,7 +5,11 @@
 import org.springframework.boot.context.properties.ConfigurationPropertiesScan;
 
 @ConfigurationPropertiesScan
-@SpringBootApplication
+@SpringBootApplication(scanBasePackages = {
+        "com.jootalkpia.workspace_server",
+        "com.jootalkpia.passport",
+        "com.jootalkpia.config",
+})
 public class WorkspaceServerApplication {
 
     public static void main(String[] args) {
diff --git a/src/backend/workspace_server/src/main/java/com/jootalkpia/workspace_server/config/WebConfig.JAVA b/src/backend/workspace_server/src/main/java/com/jootalkpia/workspace_server/config/WebConfig.JAVA
index e10834bf..ae96e871 100644
--- a/src/backend/workspace_server/src/main/java/com/jootalkpia/workspace_server/config/WebConfig.JAVA
+++ b/src/backend/workspace_server/src/main/java/com/jootalkpia/workspace_server/config/WebConfig.JAVA
@@ -16,8 +16,7 @@ public class WebConfig {
                 registry.addMapping("/**") // 모든 경로 허용
                         .allowedOrigins("*") // 프론트엔드 도메인 허용
                         .allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS") // 허용할 HTTP 메서드
-                        .allowedHeaders("*") // 모든 헤더 허용
-                        .allowCredentials(false); // 쿠키 포함 요청 허용
+                        .allowedHeaders("*"); // 모든 헤더 허용
             }
         };
     }
diff --git a/src/backend/workspace_server/src/main/java/com/jootalkpia/workspace_server/controller/WorkSpaceController.java b/src/backend/workspace_server/src/main/java/com/jootalkpia/workspace_server/controller/WorkSpaceController.java
index 1f8eee89..6dea7577 100644
--- a/src/backend/workspace_server/src/main/java/com/jootalkpia/workspace_server/controller/WorkSpaceController.java
+++ b/src/backend/workspace_server/src/main/java/com/jootalkpia/workspace_server/controller/WorkSpaceController.java
@@ -1,7 +1,6 @@
 package com.jootalkpia.workspace_server.controller;
 
 
-//import com.jootalkpia.aop.JootalkpiaAuthenticationContext;
 import com.jootalkpia.workspace_server.dto.ChannelListDTO;
 import com.jootalkpia.workspace_server.dto.SimpleChannel;
 import com.jootalkpia.workspace_server.service.WorkSpaceService;
@@ -15,6 +14,8 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
+import com.jootalkpia.passport.anotation.CurrentUser;
+import com.jootalkpia.passport.component.UserInfo;
 
 @RestController
 @Slf4j
@@ -23,39 +24,38 @@
 public class WorkSpaceController {
 
     private final WorkSpaceService workSpaceService;
-    private final Long userId = 1L;//JootalkpiaAuthenticationContext.getUserInfo().userId();
 
     @GetMapping("/{workspaceId}/channels")
-    public ResponseEntity<ChannelListDTO> getChannels(@PathVariable Long workspaceId) {
+    public ResponseEntity<ChannelListDTO> getChannels(@PathVariable Long workspaceId, @CurrentUser UserInfo userInfo) {
         // 유효성 검증
         ValidationUtils.validateWorkSpaceId(workspaceId);
         log.info("Getting channels for workspace with id: {}", workspaceId);
 
-        ChannelListDTO channelListDTO = workSpaceService.getChannels(userId, workspaceId);
+        ChannelListDTO channelListDTO = workSpaceService.getChannels(userInfo.userId(), workspaceId);
         return ResponseEntity.ok().body(channelListDTO);
     }
 
     @PostMapping("/{workspaceId}/channels")
-    public ResponseEntity<SimpleChannel> createChannel(@PathVariable Long workspaceId, @RequestParam String channelName) {
+    public ResponseEntity<SimpleChannel> createChannel(@PathVariable Long workspaceId, @RequestParam String channelName, @CurrentUser UserInfo userInfo) {
         // 유효성 검증
         ValidationUtils.validateWorkSpaceId(workspaceId);
         log.info("Creating channels for workspace with id: {}", workspaceId);
 
-        SimpleChannel channel = workSpaceService.createChannel(workspaceId, channelName,userId);
+        SimpleChannel channel = workSpaceService.createChannel(workspaceId, channelName, userInfo.userId());
 
         // 유저를 생성된 채널에 가입시킴
-        workSpaceService.addMember(workspaceId, userId, channel.getChannelId());
+        workSpaceService.addMember(workspaceId, userInfo.userId(), channel.getChannelId());
 
         return ResponseEntity.ok().body(channel);
     }
 
     @PostMapping("/{workspaceId}/channels/{channelId}/members")
-    public ResponseEntity<?> addMember(@PathVariable Long workspaceId, @PathVariable Long channelId) {
+    public ResponseEntity<?> addMember(@PathVariable Long workspaceId, @PathVariable Long channelId, @CurrentUser UserInfo userInfo) {
 
         ValidationUtils.validateWorkSpaceId(workspaceId);
         ValidationUtils.validateChannelId(channelId);
         log.info("Adding member for workspace with id: {} {}", workspaceId, channelId);
 
-        return ResponseEntity.ok(workSpaceService.addMember(workspaceId, userId, channelId));
+        return ResponseEntity.ok(workSpaceService.addMember(workspaceId, userInfo.userId(), channelId));
     }
 }