diff --git a/web/src/App.tsx b/web/src/App.tsx
index 24166314..6ec4569d 100644
--- a/web/src/App.tsx
+++ b/web/src/App.tsx
@@ -13,6 +13,7 @@ import { LanguageProvider, useLanguage } from './contexts/LanguageContext'
 import { AuthProvider, useAuth } from './contexts/AuthContext'
 import { t, type Language } from './i18n/translations'
 import { useSystemConfig } from './hooks/useSystemConfig'
+import { AlertTriangle } from 'lucide-react'
 import type {
   SystemStatus,
   AccountInfo,
@@ -1038,6 +1039,46 @@ function DecisionCard({
             保证金率: {decision.account_state.margin_used_pct.toFixed(1)}%
           </span>
           <span>持仓: {decision.account_state.position_count}</span>
+          <span style={{
+            color: decision.candidate_coins && decision.candidate_coins.length === 0
+              ? '#F6465D'
+              : '#848E9C'
+          }}>
+            候选币种: {decision.candidate_coins?.length || 0}
+          </span>
+        </div>
+      )}
+
+      {/* 候选币种为0的警告提示 */}
+      {decision.candidate_coins && decision.candidate_coins.length === 0 && (
+        <div
+          className="text-sm rounded px-4 py-3 mb-3 flex items-start gap-3"
+          style={{
+            background: 'rgba(246, 70, 93, 0.1)',
+            border: '1px solid rgba(246, 70, 93, 0.3)',
+            color: '#F6465D'
+          }}
+        >
+          <AlertTriangle size={16} className="flex-shrink-0 mt-0.5" />
+          <div className="flex-1">
+            <div className="font-semibold mb-1">⚠️ 候选币种数量为 0</div>
+            <div className="text-xs space-y-1" style={{ color: '#848E9C' }}>
+              <div>可能原因：</div>
+              <ul className="list-disc list-inside space-y-0.5 ml-2">
+                <li>币种池API未配置或无法访问（请检查信号源设置）</li>
+                <li>API连接超时或返回数据为空</li>
+                <li>未配置自定义币种且API获取失败</li>
+              </ul>
+              <div className="mt-2">
+                <strong>解决方案：</strong>
+              </div>
+              <ul className="list-disc list-inside space-y-0.5 ml-2">
+                <li>在交易员配置中设置自定义币种列表</li>
+                <li>或者配置正确的币种池API地址</li>
+                <li>或者禁用"使用币种池"和"使用OI Top"选项</li>
+              </ul>
+            </div>
+          </div>
         </div>
       )}
 
diff --git a/web/src/components/AITradersPage.tsx b/web/src/components/AITradersPage.tsx
index 92091d87..f9ddce76 100644
--- a/web/src/components/AITradersPage.tsx
+++ b/web/src/components/AITradersPage.tsx
@@ -659,6 +659,53 @@ export function AITradersPage({ onTraderSelect }: AITradersPageProps) {
         </div>
       </div>
 
+      {/* 信号源配置警告 */}
+      {traders && traders.some(t => (t.use_coin_pool || t.use_oi_top)) &&
+       (!userSignalSource.coinPoolUrl && !userSignalSource.oiTopUrl) && (
+        <div
+          className="rounded-lg px-4 py-3 flex items-start gap-3 animate-slide-in"
+          style={{
+            background: 'rgba(246, 70, 93, 0.1)',
+            border: '1px solid rgba(246, 70, 93, 0.3)',
+          }}
+        >
+          <AlertTriangle
+            size={20}
+            className="flex-shrink-0 mt-0.5"
+            style={{ color: '#F6465D' }}
+          />
+          <div className="flex-1">
+            <div className="font-semibold mb-1" style={{ color: '#F6465D' }}>
+              ⚠️ 信号源未配置
+            </div>
+            <div className="text-sm" style={{ color: '#848E9C' }}>
+              <p className="mb-2">
+                您有交易员启用了"使用币种池"或"使用OI Top"，但尚未配置信号源API地址。
+                这将导致<strong style={{ color: '#F6465D' }}>候选币种数量为0</strong>，交易员无法正常工作。
+              </p>
+              <p>
+                <strong>解决方案：</strong>
+              </p>
+              <ul className="list-disc list-inside space-y-1 ml-2 mt-1">
+                <li>点击"📡 信号源"按钮配置API地址</li>
+                <li>或在交易员配置中禁用"使用币种池"和"使用OI Top"</li>
+                <li>或在交易员配置中设置自定义币种列表</li>
+              </ul>
+            </div>
+            <button
+              onClick={() => setShowSignalSourceModal(true)}
+              className="mt-3 px-3 py-1.5 rounded text-sm font-semibold transition-all hover:scale-105"
+              style={{
+                background: '#F0B90B',
+                color: '#000',
+              }}
+            >
+              立即配置信号源
+            </button>
+          </div>
+        </div>
+      )}
+
       {/* Configuration Status */}
       <div className="grid grid-cols-1 lg:grid-cols-2 gap-4 md:gap-6">
         {/* AI Models */}
diff --git a/web/src/types.ts b/web/src/types.ts
index af3ea8c3..d1368c01 100644
--- a/web/src/types.ts
+++ b/web/src/types.ts
@@ -92,6 +92,8 @@ export interface TraderInfo {
   exchange_id?: string
   is_running?: boolean
   custom_prompt?: string
+  use_coin_pool?: boolean
+  use_oi_top?: boolean
 }
 
 export interface AIModel {