diff --git a/web/hooks/use-agent-conversation-realtime.ts b/web/hooks/use-agent-conversation-realtime.ts
index ae03904..98efe5e 100644
--- a/web/hooks/use-agent-conversation-realtime.ts
+++ b/web/hooks/use-agent-conversation-realtime.ts
@@ -77,6 +77,9 @@ export function useAgentConversationRealtime() {
       websocketRef.current = socket
 
       socket.onopen = () => {
+        console.info("[agent-realtime] websocket connected", {
+          url: socket.url,
+        })
         reconnectAttemptRef.current = 0
         if (pingTimerRef.current) {
           window.clearInterval(pingTimerRef.current)
@@ -180,7 +183,14 @@ export function useAgentConversationRealtime() {
         }
       }
 
-      socket.onclose = () => {
+      socket.onclose = (event) => {
+        console.log("[agent-realtime] websocket closed", {
+          url: socket.url,
+          readyState: socket.readyState,
+          code: event.code,
+          reason: event.reason,
+          wasClean: event.wasClean,
+        })
         if (pingTimerRef.current) {
           window.clearInterval(pingTimerRef.current)
           pingTimerRef.current = null
@@ -193,6 +203,10 @@ export function useAgentConversationRealtime() {
       }
 
       socket.onerror = () => {
+        console.log("[agent-realtime] websocket error", {
+          url: socket.url,
+          readyState: socket.readyState,
+        })
         scheduleReconnect()
       }
     }
diff --git a/web/lib/api/admin.ts b/web/lib/api/admin.ts
index f963c2c..0061558 100644
--- a/web/lib/api/admin.ts
+++ b/web/lib/api/admin.ts
@@ -1,5 +1,6 @@
 import { readSession } from "@/lib/auth"
 import { request } from "@/lib/api/client"
+import { createWebSocketBaseUrl } from "@/lib/api/websocket"
 
 export type Paging = {
   page: number
@@ -542,9 +543,7 @@ export function createAdminWebSocketUrl() {
     throw new Error("未登录或登录已过期")
   }
 
-  const baseUrl = (
-    process.env.NEXT_PUBLIC_API_BASE_URL?.trim() || ""
-  ).replace(/^http/, "ws")
+  const baseUrl = createWebSocketBaseUrl()
   const params = new URLSearchParams({
     accessToken: session.accessToken,
   })
diff --git a/web/lib/api/agent.ts b/web/lib/api/agent.ts
index 659e8c1..550f0de 100644
--- a/web/lib/api/agent.ts
+++ b/web/lib/api/agent.ts
@@ -1,5 +1,6 @@
 import { request } from "@/lib/api/client"
 import { readSession } from "@/lib/auth"
+import { createWebSocketBaseUrl } from "@/lib/api/websocket"
 
 export type Paging = {
   page: number
@@ -258,9 +259,7 @@ export function createAgentWebSocketUrl() {
     throw new Error("未登录或登录已过期")
   }
 
-  const baseUrl = (
-    process.env.NEXT_PUBLIC_API_BASE_URL?.trim() || ""
-  ).replace(/^http/, "ws")
+  const baseUrl = createWebSocketBaseUrl()
   const params = new URLSearchParams({
     accessToken: session.accessToken,
   })
diff --git a/web/lib/api/im.ts b/web/lib/api/im.ts
index b1cacb1..bdb843c 100644
--- a/web/lib/api/im.ts
+++ b/web/lib/api/im.ts
@@ -1,5 +1,6 @@
 import { request } from "@/lib/api/client"
 import { generateUUID } from "@/lib/utils"
+import { createWebSocketBaseUrl } from "@/lib/api/websocket"
 
 export type Paging = {
   page: number
@@ -124,7 +125,7 @@ export function getImVisitorId() {
 }
 
 export function createImWebSocketUrl() {
-  const baseUrl = API_BASE_URL.replace(/^http/, "ws")
+  const baseUrl = createWebSocketBaseUrl()
   const params = new URLSearchParams({
     externalId: getImVisitorId(),
     externalSource: OPEN_IM_EXTERNAL_SOURCE,
diff --git a/web/lib/api/websocket.ts b/web/lib/api/websocket.ts
new file mode 100644
index 0000000..659a4a4
--- /dev/null
+++ b/web/lib/api/websocket.ts
@@ -0,0 +1,6 @@
+const API_BASE_URL =
+  process.env.NEXT_PUBLIC_API_BASE_URL?.trim() || "http://127.0.0.1:8083"
+
+export function createWebSocketBaseUrl() {
+  return API_BASE_URL.replace(/^http/, "ws").replace(/\/$/, "")
+}