diff --git a/src/components/dashboard/platform/AllPlatformView.tsx b/src/components/dashboard/platform/AllPlatformView.tsx
index 5bb66c88..45449951 100644
--- a/src/components/dashboard/platform/AllPlatformView.tsx
+++ b/src/components/dashboard/platform/AllPlatformView.tsx
@@ -103,8 +103,17 @@ export default function AllPlatformView({ isLoading }: IAllPlatformViewProps) {
       </div>
 
       {/* 실시간 트래픽 변화 */}
-      <Card title="실시간 트래픽 변화" className="min-h-125">
-        {isLoading ? <TrafficChartSkeleton /> : null}
+      <Card title="실시간 트래픽 변화" className="min-h-125 flex flex-col">
+        {isLoading ? (
+          <TrafficChartSkeleton />
+        ) : (
+          <div className="flex flex-1 flex-col items-center justify-center gap-3">
+            <Badge variant="running">Coming Soon</Badge>
+            <p className="text-text-sub font-caption text-center">
+              실시간 클릭 트래픽 모니터링 기능을 준비하고 있습니다.
+            </p>
+          </div>
+        )}
       </Card>
 
       {/* 개별 플랫폼 상세 */}
diff --git a/src/components/dashboard/platform/SinglePlatformView.tsx b/src/components/dashboard/platform/SinglePlatformView.tsx
index 2cd89011..fc498c16 100644
--- a/src/components/dashboard/platform/SinglePlatformView.tsx
+++ b/src/components/dashboard/platform/SinglePlatformView.tsx
@@ -171,9 +171,14 @@ export default function SinglePlatformView({
       <div className="grid grid-cols-3 tablet:grid-cols-1 gap-6">
         <Card
           title="실시간 트래픽 변화"
-          className="col-span-2 tablet:col-span-1 min-h-125"
+          className="col-span-2 tablet:col-span-1 min-h-125 flex flex-col"
         >
-          <div className="text-text-sub" />
+          <div className="flex flex-1 flex-col items-center justify-center gap-3">
+            <Badge variant="running">Coming Soon</Badge>
+            <p className="text-text-sub font-caption text-center">
+              실시간 클릭 트래픽 모니터링 기능을 준비하고 있습니다.
+            </p>
+          </div>
         </Card>
 
         <Card
diff --git a/src/components/sidebar/Sidebar.tsx b/src/components/sidebar/Sidebar.tsx
index b0567c44..b8a6dfd6 100644
--- a/src/components/sidebar/Sidebar.tsx
+++ b/src/components/sidebar/Sidebar.tsx
@@ -97,7 +97,9 @@ export default function Sidebar() {
           aria-label="사이드바 내비게이션"
           className={twMerge(
             "flex flex-1 flex-col gap-1 px-2 min-h-0",
-            isCollapsed ? "overflow-visible" : "overflow-y-auto",
+            isCollapsed
+              ? "overflow-visible"
+              : "overflow-y-auto overflow-x-hidden",
           )}
         >
           {mainNav.map((item) => {
diff --git a/src/constants/sidebarNav.ts b/src/constants/sidebarNav.ts
index 0a36fe91..68a46a62 100644
--- a/src/constants/sidebarNav.ts
+++ b/src/constants/sidebarNav.ts
@@ -61,12 +61,6 @@ export const mainNav: INavItem[] = [
       },
     ],
   },
-  {
-    id: "settings",
-    label: "설정",
-    icon: SettingsIcon,
-    path: "/setting",
-  },
 ];
 
 export const footerNav: INavItem[] = [
diff --git a/src/hooks/dashboard/useClickStream.ts b/src/hooks/dashboard/useClickStream.ts
index a63bb8ea..b3ddd383 100644
--- a/src/hooks/dashboard/useClickStream.ts
+++ b/src/hooks/dashboard/useClickStream.ts
@@ -7,6 +7,7 @@ import useAuthStore from "@/store/useAuthStore";
 import useWorkspaceStore from "@/store/useWorkspaceStore";
 
 const MAX_RETRIES = 3;
+const BASE_URL = (import.meta.env.VITE_API_BASE_URL ?? "").replace(/\/$/, "");
 
 export function useClickStream(mode: "real" | "dummy" = "dummy") {
   // TODO: 테스트용 - 더미 데이터가 orgId 1에만 있어서 임시 고정, 테스트 후 원래대로 복구할 예정
@@ -26,40 +27,48 @@ export function useClickStream(mode: "real" | "dummy" = "dummy") {
     const controller = new AbortController();
     retryCountRef.current = 0;
 
-    fetchEventSource(`/api/dashboard/${orgId}/clicks/stream?mode=${mode}`, {
-      headers: {
-        Authorization: `Bearer ${accessToken}`,
-      },
-      signal: controller.signal,
-      onopen: async (response) => {
-        if (response.ok) {
+    fetchEventSource(
+      `${BASE_URL}/api/dashboard/${orgId}/clicks/stream?mode=${mode}`,
+      {
+        headers: {
+          Authorization: `Bearer ${accessToken}`,
+        },
+        signal: controller.signal,
+        onopen: async (response) => {
+          const contentType = response.headers.get("content-type") ?? "";
+          const isSse = contentType.includes("text/event-stream");
+          if (!response.ok || !isSse) {
+            throw new Error(
+              `Invalid SSE response: status=${response.status}, content-type=${contentType}`,
+            );
+          }
           retryCountRef.current = 0;
           setIsError(false);
-        }
-      },
-      onmessage(event) {
-        if (event.event === "org-click-update") {
-          try {
-            const wrapper = JSON.parse(event.data);
-            const parsed: IClickStreamItem = wrapper.data ?? wrapper;
-            setData(parsed);
-            if (parsed.suspectDetail) {
-              setSuspectDetail(parsed.suspectDetail);
+        },
+        onmessage(event) {
+          if (event.event === "org-click-update") {
+            try {
+              const wrapper = JSON.parse(event.data);
+              const parsed: IClickStreamItem = wrapper.data ?? wrapper;
+              setData(parsed);
+              if (parsed.suspectDetail) {
+                setSuspectDetail(parsed.suspectDetail);
+              }
+            } catch {
+              // 파싱 실패 시 해당 이벤트 무시하고 스트림 유지
             }
-          } catch {
-            // 파싱 실패 시 해당 이벤트 무시하고 스트림 유지
           }
-        }
-      },
-      onerror(err) {
-        retryCountRef.current += 1;
-        if (retryCountRef.current >= MAX_RETRIES) {
-          setIsError(true);
-          throw err; // 재시도 중단
-        }
-        // MAX_RETRIES 미만이면 기본 재시도 동작 유지
+        },
+        onerror(err) {
+          retryCountRef.current += 1;
+          if (retryCountRef.current >= MAX_RETRIES) {
+            setIsError(true);
+            throw err; // 재시도 중단
+          }
+          // MAX_RETRIES 미만이면 기본 재시도 동작 유지
+        },
       },
-    });
+    );
 
     return () => controller.abort();
   }, [orgId, accessToken, mode]);