diff --git a/backend/mci-server/src/main/java/com/sino/mci/send/service/SendService.java b/backend/mci-server/src/main/java/com/sino/mci/send/service/SendService.java
index cfaeb5d..a97e9d8 100644
--- a/backend/mci-server/src/main/java/com/sino/mci/send/service/SendService.java
+++ b/backend/mci-server/src/main/java/com/sino/mci/send/service/SendService.java
@@ -796,13 +796,15 @@ public class SendService {
         if (!StringUtils.hasText(extInfo)) {
             return null;
         }
-        try {
-            Map<String, Object> parsed = JsonUtils.fromJson(extInfo, Map.class);
-            if (parsed != null && parsed.get("webhook_url") != null) {
-                return String.valueOf(parsed.get("webhook_url"));
+        if (extInfo.trim().startsWith("{")) {
+            try {
+                Map<String, Object> parsed = JsonUtils.fromJson(extInfo, Map.class);
+                if (parsed != null && parsed.get("webhook_url") != null) {
+                    return String.valueOf(parsed.get("webhook_url"));
+                }
+            } catch (Exception e) {
+                // fallback: treat invalid JSON ext_info as plain URL string
             }
-        } catch (Exception e) {
-            // fallback: treat legacy ext_info as plain URL string
         }
         return extInfo;
     }
diff --git a/docs/superpowers/plans/2026-07-15-send-routing-e2e-verification-plan.md b/docs/superpowers/plans/2026-07-15-send-routing-e2e-verification-plan.md
index 68d108f..e215a7b 100644
--- a/docs/superpowers/plans/2026-07-15-send-routing-e2e-verification-plan.md
+++ b/docs/superpowers/plans/2026-07-15-send-routing-e2e-verification-plan.md
@@ -85,15 +85,15 @@ If all services are healthy, mark Task 1 complete. No code commit needed.
 - [ ] **Step 1: 登录 admin-web**
 
 Use Chrome DevTools MCP:
-- Navigate to `http://localhost:5177/msg-platform/login`
+- Navigate to `http://localhost:5177/login`
 - Fill username `superadmin`, password `admin123`
 - Click login
 - Expected: 跳转至首页。
 
 - [ ] **Step 2: 进入渠道账号页面**
 
-Navigate to `http://localhost:5177/msg-platform/channel-account`.
-Take screenshot: `admin-web/screenshots/01-channel-account-list.png`
+Navigate to `http://localhost:5177/channel/account`.
+Take screenshot: `admin-web/screenshots/02-bot-created.png`
 
 - [ ] **Step 3: 打开创建账号弹窗**
 
@@ -138,8 +138,8 @@ If any bug found, fix in `admin-web/src/views/ChannelAccount.vue` and commit.
 
 - [ ] **Step 1: 进入会话管理页面**
 
-Navigate to `http://localhost:5177/msg-platform/conversation`.
-Take screenshot: `admin-web/screenshots/03-conversation-list.png`
+Navigate to `http://localhost:5177/customer/group`.
+Take screenshot: `admin-web/screenshots/04-internal-group-created.png`
 
 - [ ] **Step 2: 打开新增会话弹窗**
 
@@ -223,7 +223,7 @@ If binding fails with "账号渠道类型与会话不一致" or similar, check `
 
 - [ ] **Step 1: 进入消息测试页面**
 
-Navigate to `http://localhost:5177/msg-platform/message-test`.
+Navigate to `http://localhost:5177/message/test`.
 Take screenshot: `admin-web/screenshots/06-message-test.png`
 
 - [ ] **Step 2: 选择内部群目标**