diff --git a/frontend/src/api/axiosConfig.ts b/frontend/src/api/axiosConfig.ts
index 197b104..ee0cb3a 100644
--- a/frontend/src/api/axiosConfig.ts
+++ b/frontend/src/api/axiosConfig.ts
@@ -2,8 +2,7 @@ import axios, { AxiosError, AxiosResponse, InternalAxiosRequestConfig } from 'ax
 import useAuthStore from '@/stores/useAuthStore';
 import { BaseResponse, CustomError, SuccessResponse, RefreshTokenResponseDTO } from '@/types';
 
-const baseURL = 'https://j11s002.p.ssafy.io';
-// const baseURL = 'http://localhost:5173'; 모킹 테스트
+const baseURL = import.meta.env.VITE_API_URL;
 
 const api = axios.create({
   baseURL,
diff --git a/frontend/src/components/ImageCanvas/index.tsx b/frontend/src/components/ImageCanvas/index.tsx
index e1dc476..6e1359f 100644
--- a/frontend/src/components/ImageCanvas/index.tsx
+++ b/frontend/src/components/ImageCanvas/index.tsx
@@ -3,42 +3,15 @@ import Konva from 'konva';
 import { useEffect, useRef, useState } from 'react';
 import { Circle, Image, Layer, Line, Rect, Stage } from 'react-konva';
 import useImage from 'use-image';
-import { Label } from '@/types';
 import LabelRect from './LabelRect';
 import { Vector2d } from 'konva/lib/types';
 import LabelPolygon from './LabelPolygon';
 import CanvasControlBar from '../CanvasControlBar';
 
-const mockLabels: Label[] = Array.from({ length: 10 }, (_, i) => {
-  const startX = Math.random() * 1200 + 300;
-  const startY = Math.random() * 2000 + 300;
-  const color = Math.floor(Math.random() * 65535)
-    .toString(16)
-    .padStart(4, '0');
-
-  return {
-    id: i,
-    name: `label-${i}`,
-    type: i % 2 === 0 ? 'polygon' : 'rect',
-    color: i % 2 === 0 ? `#ff${color}` : `#${color}ff`,
-    coordinates:
-      i % 2 === 0
-        ? [
-            [startX, startY],
-            [startX + 200, startY + 50],
-            [startX + 300, startY + 300],
-            [startX + 100, startY + 250],
-          ]
-        : [
-            [startX, startY],
-            [startX + 300, startY + 300],
-          ],
-  };
-});
-
 export default function ImageCanvas() {
-  const stageWidth = window.innerWidth;
-  const stageHeight = window.innerHeight;
+  const sidebarSize = useCanvasStore((state) => state.sidebarSize);
+  const stageWidth = window.innerWidth * ((100 - sidebarSize) / 100) - 280;
+  const stageHeight = window.innerHeight - 64;
   const stageRef = useRef<Konva.Stage>(null);
   const dragLayerRef = useRef<Konva.Layer>(null);
   const scale = useRef<number>(0);
@@ -100,7 +73,7 @@ export default function ImageCanvas() {
     const color = Math.floor(Math.random() * 65535)
       .toString(16)
       .padStart(6, '0');
-    const id = labels.length;
+    const id = labels.length + 1;
     addLabel({
       id: id,
       name: 'label',
@@ -127,7 +100,7 @@ export default function ImageCanvas() {
     const color = Math.floor(Math.random() * 65535)
       .toString(16)
       .padStart(6, '0');
-    const id = labels.length;
+    const id = labels.length + 1;
     addLabel({
       id: id,
       name: 'label',
@@ -209,11 +182,6 @@ export default function ImageCanvas() {
     return { x: scale.current, y: scale.current };
   };
 
-  // TODO: remove mock data
-  useEffect(() => {
-    useCanvasStore.setState({ labels: mockLabels });
-  }, []);
-
   useEffect(() => {
     if (!stageRef.current) return;
     stageRef.current.container().style.cursor = drawState === 'pointer' ? 'default' : 'crosshair';
diff --git a/frontend/src/components/WorkspaceLayout/index.tsx b/frontend/src/components/WorkspaceLayout/index.tsx
index e7436ed..89d7f67 100644
--- a/frontend/src/components/WorkspaceLayout/index.tsx
+++ b/frontend/src/components/WorkspaceLayout/index.tsx
@@ -9,8 +9,47 @@ import { fetchFolderApi } from '@/api/folderApi';
 import { getWorkspaceApi } from '@/api/workspaceApi';
 import { getAllProjectsApi } from '@/api/projectApi';
 import useAuthStore from '@/stores/useAuthStore';
+import useCanvasStore from '@/stores/useCanvasStore';
+
+const mockLabels: Label[] = [
+  {
+    id: 1,
+    name: 'Label 1',
+    color: '#FFaa33',
+    coordinates: [
+      [700, 100],
+      [1200, 800],
+    ],
+    type: 'rect',
+  },
+  {
+    id: 2,
+    name: 'Label 2',
+    color: '#aaFF55',
+    coordinates: [
+      [200, 200],
+      [400, 200],
+      [500, 500],
+      [400, 800],
+      [200, 800],
+      [100, 500],
+    ],
+    type: 'polygon',
+  },
+  {
+    id: 3,
+    name: 'Label 3',
+    color: '#77aaFF',
+    coordinates: [
+      [1000, 1000],
+      [1800, 1800],
+    ],
+    type: 'rect',
+  },
+];
 
 export default function WorkspaceLayout() {
+  const setLabels = useCanvasStore((state) => state.setLabels);
   const { workspaceId, projectId } = useParams<{ workspaceId: string; projectId: string }>();
   const [workspace, setWorkspace] = useState<{ name: string; projects: Project[] }>({
     name: '',
@@ -109,29 +148,9 @@ export default function WorkspaceLayout() {
     }
   }, [workspaceId, projectId, memberId]);
 
-  const labels: Label[] = [
-    {
-      id: 1,
-      name: 'Label 1',
-      color: '#FFaa33',
-      coordinates: [],
-      type: 'rect',
-    },
-    {
-      id: 2,
-      name: 'Label 2',
-      color: '#aaFF55',
-      coordinates: [],
-      type: 'rect',
-    },
-    {
-      id: 3,
-      name: 'Label 3',
-      color: '#77aaFF',
-      coordinates: [],
-      type: 'rect',
-    },
-  ];
+  useEffect(() => {
+    setLabels(mockLabels);
+  }, [setLabels]);
 
   return (
     <>
@@ -146,7 +165,7 @@ export default function WorkspaceLayout() {
             <main className="h-full grow">
               <Outlet />
             </main>
-            <WorkspaceLabelBar labels={labels} />
+            <WorkspaceLabelBar labels={mockLabels} />
           </ResizablePanel>
         </ResizablePanelGroup>
       </div>
diff --git a/frontend/src/components/WorkspaceSidebar/index.tsx b/frontend/src/components/WorkspaceSidebar/index.tsx
index 91816d7..954e216 100644
--- a/frontend/src/components/WorkspaceSidebar/index.tsx
+++ b/frontend/src/components/WorkspaceSidebar/index.tsx
@@ -6,12 +6,13 @@ import ProjectStructure from './ProjectStructure';
 import { Project } from '@/types';
 import { Select, SelectTrigger, SelectContent, SelectItem, SelectValue } from '../ui/select';
 import ProjectCreateModal from '../ProjectCreateModal';
+import useCanvasStore from '@/stores/useCanvasStore';
 
 export default function WorkspaceSidebar({ workspaceName, projects }: { workspaceName: string; projects: Project[] }) {
+  const setSidebarSize = useCanvasStore((state) => state.setSidebarSize);
   const navigate = useNavigate();
   const { workspaceId } = useParams<{ workspaceId: string }>();
   const [selectedProjectId, setSelectedProjectId] = useState<string | undefined>();
-
   const handleSelectProject = (projectId: string) => {
     setSelectedProjectId(projectId);
     navigate(`/workspace/${workspaceId}/project/${projectId}`);
@@ -24,9 +25,7 @@ export default function WorkspaceSidebar({ workspaceName, projects }: { workspac
         maxSize={35}
         defaultSize={20}
         className="flex h-full flex-col bg-gray-100"
-        onResize={(size) => {
-          console.log(size);
-        }}
+        onResize={(size) => setSidebarSize(size)}
       >
         <header className="body flex w-full items-center gap-2 p-2">
           <h1 className="w-full overflow-hidden text-ellipsis whitespace-nowrap">{workspaceName}</h1>
diff --git a/frontend/src/router/index.tsx b/frontend/src/router/index.tsx
index 60b2f3a..91f3b6b 100644
--- a/frontend/src/router/index.tsx
+++ b/frontend/src/router/index.tsx
@@ -14,8 +14,9 @@ import { Navigate } from 'react-router-dom';
 export const webPath = {
   home: () => '/',
   browse: () => '/browse',
-  workspace: (workspaceId: string, projectId?: string) =>
-    projectId ? `/workspace/${workspaceId}/project/${projectId}` : `/workspace/${workspaceId}`,
+  workspace: () => '/workspace',
+  // workspace: (workspaceId: string, projectId?: string) =>
+  //   projectId ? `/workspace/${workspaceId}/project/${projectId}` : `/workspace/${workspaceId}`,
   admin: (workspaceId: string) => `/admin/${workspaceId}`,
   oauthCallback: () => '/redirect/oauth2',
 };
@@ -46,12 +47,12 @@ const router = createBrowserRouter([
     ],
   },
   {
-    path: '/workspace/:workspaceId',
+    path: `${webPath.workspace()}/:workspaceId`,
     element: <WorkspaceLayout />,
     children: [
       {
-        path: '',
-        element: <div>workspace</div>,
+        index: true,
+        element: <ImageCanvas />,
       },
       {
         path: 'project/:projectId',
diff --git a/frontend/src/stores/useCanvasStore.ts b/frontend/src/stores/useCanvasStore.ts
index 234cc72..72dafbe 100644
--- a/frontend/src/stores/useCanvasStore.ts
+++ b/frontend/src/stores/useCanvasStore.ts
@@ -2,10 +2,13 @@ import { Label } from '@/types';
 import { create } from 'zustand';
 
 interface CanvasState {
+  sidebarSize: number;
   image: string;
   labels: Label[];
   drawState: 'pen' | 'rect' | 'pointer';
+  setSidebarSize: (width: number) => void;
   changeImage: (image: string, labels: Label[]) => void;
+  setLabels: (labels: Label[]) => void;
   addLabel: (label: Label) => void;
   removeLabel: (labelId: number) => void;
   updateLabel: (label: Label) => void;
@@ -13,11 +16,14 @@ interface CanvasState {
 }
 
 const useCanvasStore = create<CanvasState>()((set) => ({
+  sidebarSize: 20,
   image: '',
   labels: [],
   drawState: 'pointer',
+  setSidebarSize: (width) => set({ sidebarSize: width }),
   changeImage: (image: string, labels: Label[]) => set({ image, labels }),
   addLabel: (label: Label) => set((state) => ({ labels: [...state.labels, label] })),
+  setLabels: (labels) => set({ labels }),
   removeLabel: (labelId: number) => set((state) => ({ labels: state.labels.filter((label) => label.id !== labelId) })),
   updateLabel: (label: Label) => set((state) => ({ labels: state.labels.map((l) => (l.id === label.id ? label : l)) })),
   setDrawState: (drawState) => set({ drawState }),