diff --git a/crypto_monitor_binance/templates/index.html b/crypto_monitor_binance/templates/index.html
index c5b6685..787aa09 100644
--- a/crypto_monitor_binance/templates/index.html
+++ b/crypto_monitor_binance/templates/index.html
@@ -232,7 +232,7 @@
         .stats-period-block h3{font-size:1rem;color:#dbe4ff;margin-bottom:4px}
         .stats-period-block .sub{font-size:.78rem;color:#8892b0;margin-bottom:10px;line-height:1.4}
     </style>
-    <link rel="stylesheet" href="/static/instance_theme.css?v=6">
+    <link rel="stylesheet" href="/static/instance_theme.css?v=7">
 
 </head>
 <body data-page="{{ page }}">
@@ -813,11 +813,11 @@
             </div>
             <div class="form-row">
                 <input type="date" id="day_date">
-                <button type="button" onclick="genDaily()">生成日复盘</button>
+                <button type="button" id="gen-daily-btn" onclick="genDaily()">生成日复盘</button>
                 <button type="button" onclick="exportDailyBundleMd()" style="background:#1f3a5a">导出当日日复盘MD</button>
                 <input type="date" id="week_start">
                 <input type="date" id="week_end">
-                <button type="button" onclick="genWeekly()">生成周复盘</button>
+                <button type="button" id="gen-weekly-btn" onclick="genWeekly()">生成周复盘</button>
                 <button type="button" onclick="exportWeeklyBundleMd()" style="background:#1f3a5a">导出当周复盘MD</button>
             </div>
             <div class="ai-result-wrap" id="daily_result_wrap" style="display:none">
@@ -902,7 +902,7 @@
 </div>
 
 <script src="/static/instance_ui.js?v=1"></script>
-<script src="/static/ai_review_render.js?v=1"></script>
+<script src="/static/ai_review_render.js?v=2"></script>
 <script src="/static/form_submit_guard.js?v=2"></script>
 <script>
 const JOURNAL_ENTRY_REASON_OPTIONS = {{ entry_reason_options | tojson }};
@@ -1233,36 +1233,76 @@ function loadReviews(){
 }
 
 function genDaily(){
+    if(window.AiReviewRender && AiReviewRender.isGenerating && AiReviewRender.isGenerating()) return;
     const d = document.getElementById("day_date").value;
     if(!d){alert("请选择日期");return;}
+    if(window.AiReviewRender && AiReviewRender.setGenerating){
+        AiReviewRender.setGenerating({
+            wrapId:"daily_result_wrap",
+            elId:"daily_result",
+            btnId:"gen-daily-btn",
+            message:"生成日复盘中，请稍候…（AI 分析可能需要 1～3 分钟）",
+            btnLabel:"日复盘生成中…"
+        });
+    }
     fetch("/ai_daily_review",{method:"POST",headers:{"Content-Type":"application/x-www-form-urlencoded"},body:`date=${encodeURIComponent(d)}`})
     .then(r=>{ if(!r.ok) throw new Error("HTTP "+r.status); return r.json(); })
     .then(data=>{
+        if(!data || data.result == null) throw new Error("返回数据为空");
         const el=document.getElementById("daily_result");
         const wrap=document.getElementById("daily_result_wrap");
         setAiReviewMarkdown(el, data.result);
         if(wrap){ wrap.style.display="block"; }
-        else { el.style.display="block"; }
+        else if(el){ el.style.display="block"; }
+        if(window.AiReviewRender && AiReviewRender.clearGenerating) AiReviewRender.clearGenerating("gen-daily-btn");
         loadReviews();
     })
-    .catch(e=>alert("生成日复盘失败："+(e.message||e)));
+    .catch(e=>{
+        if(window.AiReviewRender && AiReviewRender.clearGenerating) AiReviewRender.clearGenerating("gen-daily-btn");
+        const el=document.getElementById("daily_result");
+        if(el){
+            el.classList.remove("is-loading","ai-result-md");
+            el.innerText="生成失败，请重试。";
+        }
+        alert("生成日复盘失败："+(e.message||e));
+    });
 }
 
 function genWeekly(){
+    if(window.AiReviewRender && AiReviewRender.isGenerating && AiReviewRender.isGenerating()) return;
     const s=document.getElementById("week_start").value;
     const e=document.getElementById("week_end").value;
     if(!s || !e){alert("请选择起止日期");return;}
+    if(window.AiReviewRender && AiReviewRender.setGenerating){
+        AiReviewRender.setGenerating({
+            wrapId:"weekly_result_wrap",
+            elId:"weekly_result",
+            btnId:"gen-weekly-btn",
+            message:"生成周复盘中，请稍候…（AI 分析可能需要 1～3 分钟）",
+            btnLabel:"周复盘生成中…"
+        });
+    }
     fetch("/ai_weekly_review",{method:"POST",headers:{"Content-Type":"application/x-www-form-urlencoded"},body:`start_date=${encodeURIComponent(s)}&end_date=${encodeURIComponent(e)}`})
     .then(r=>{ if(!r.ok) throw new Error("HTTP "+r.status); return r.json(); })
     .then(data=>{
+        if(!data || data.result == null) throw new Error("返回数据为空");
         const el=document.getElementById("weekly_result");
         const wrap=document.getElementById("weekly_result_wrap");
         setAiReviewMarkdown(el, data.result);
         if(wrap){ wrap.style.display="block"; }
-        else { el.style.display="block"; }
+        else if(el){ el.style.display="block"; }
+        if(window.AiReviewRender && AiReviewRender.clearGenerating) AiReviewRender.clearGenerating("gen-weekly-btn");
         loadReviews();
     })
-    .catch(e=>alert("生成周复盘失败："+(e.message||e)));
+    .catch(e=>{
+        if(window.AiReviewRender && AiReviewRender.clearGenerating) AiReviewRender.clearGenerating("gen-weekly-btn");
+        const el=document.getElementById("weekly_result");
+        if(el){
+            el.classList.remove("is-loading","ai-result-md");
+            el.innerText="生成失败，请重试。";
+        }
+        alert("生成周复盘失败："+(e.message||e));
+    });
 }
 
 function exportDailyBundleMd(){
diff --git a/crypto_monitor_gate/templates/index.html b/crypto_monitor_gate/templates/index.html
index c5b6685..787aa09 100644
--- a/crypto_monitor_gate/templates/index.html
+++ b/crypto_monitor_gate/templates/index.html
@@ -232,7 +232,7 @@
         .stats-period-block h3{font-size:1rem;color:#dbe4ff;margin-bottom:4px}
         .stats-period-block .sub{font-size:.78rem;color:#8892b0;margin-bottom:10px;line-height:1.4}
     </style>
-    <link rel="stylesheet" href="/static/instance_theme.css?v=6">
+    <link rel="stylesheet" href="/static/instance_theme.css?v=7">
 
 </head>
 <body data-page="{{ page }}">
@@ -813,11 +813,11 @@
             </div>
             <div class="form-row">
                 <input type="date" id="day_date">
-                <button type="button" onclick="genDaily()">生成日复盘</button>
+                <button type="button" id="gen-daily-btn" onclick="genDaily()">生成日复盘</button>
                 <button type="button" onclick="exportDailyBundleMd()" style="background:#1f3a5a">导出当日日复盘MD</button>
                 <input type="date" id="week_start">
                 <input type="date" id="week_end">
-                <button type="button" onclick="genWeekly()">生成周复盘</button>
+                <button type="button" id="gen-weekly-btn" onclick="genWeekly()">生成周复盘</button>
                 <button type="button" onclick="exportWeeklyBundleMd()" style="background:#1f3a5a">导出当周复盘MD</button>
             </div>
             <div class="ai-result-wrap" id="daily_result_wrap" style="display:none">
@@ -902,7 +902,7 @@
 </div>
 
 <script src="/static/instance_ui.js?v=1"></script>
-<script src="/static/ai_review_render.js?v=1"></script>
+<script src="/static/ai_review_render.js?v=2"></script>
 <script src="/static/form_submit_guard.js?v=2"></script>
 <script>
 const JOURNAL_ENTRY_REASON_OPTIONS = {{ entry_reason_options | tojson }};
@@ -1233,36 +1233,76 @@ function loadReviews(){
 }
 
 function genDaily(){
+    if(window.AiReviewRender && AiReviewRender.isGenerating && AiReviewRender.isGenerating()) return;
     const d = document.getElementById("day_date").value;
     if(!d){alert("请选择日期");return;}
+    if(window.AiReviewRender && AiReviewRender.setGenerating){
+        AiReviewRender.setGenerating({
+            wrapId:"daily_result_wrap",
+            elId:"daily_result",
+            btnId:"gen-daily-btn",
+            message:"生成日复盘中，请稍候…（AI 分析可能需要 1～3 分钟）",
+            btnLabel:"日复盘生成中…"
+        });
+    }
     fetch("/ai_daily_review",{method:"POST",headers:{"Content-Type":"application/x-www-form-urlencoded"},body:`date=${encodeURIComponent(d)}`})
     .then(r=>{ if(!r.ok) throw new Error("HTTP "+r.status); return r.json(); })
     .then(data=>{
+        if(!data || data.result == null) throw new Error("返回数据为空");
         const el=document.getElementById("daily_result");
         const wrap=document.getElementById("daily_result_wrap");
         setAiReviewMarkdown(el, data.result);
         if(wrap){ wrap.style.display="block"; }
-        else { el.style.display="block"; }
+        else if(el){ el.style.display="block"; }
+        if(window.AiReviewRender && AiReviewRender.clearGenerating) AiReviewRender.clearGenerating("gen-daily-btn");
         loadReviews();
     })
-    .catch(e=>alert("生成日复盘失败："+(e.message||e)));
+    .catch(e=>{
+        if(window.AiReviewRender && AiReviewRender.clearGenerating) AiReviewRender.clearGenerating("gen-daily-btn");
+        const el=document.getElementById("daily_result");
+        if(el){
+            el.classList.remove("is-loading","ai-result-md");
+            el.innerText="生成失败，请重试。";
+        }
+        alert("生成日复盘失败："+(e.message||e));
+    });
 }
 
 function genWeekly(){
+    if(window.AiReviewRender && AiReviewRender.isGenerating && AiReviewRender.isGenerating()) return;
     const s=document.getElementById("week_start").value;
     const e=document.getElementById("week_end").value;
     if(!s || !e){alert("请选择起止日期");return;}
+    if(window.AiReviewRender && AiReviewRender.setGenerating){
+        AiReviewRender.setGenerating({
+            wrapId:"weekly_result_wrap",
+            elId:"weekly_result",
+            btnId:"gen-weekly-btn",
+            message:"生成周复盘中，请稍候…（AI 分析可能需要 1～3 分钟）",
+            btnLabel:"周复盘生成中…"
+        });
+    }
     fetch("/ai_weekly_review",{method:"POST",headers:{"Content-Type":"application/x-www-form-urlencoded"},body:`start_date=${encodeURIComponent(s)}&end_date=${encodeURIComponent(e)}`})
     .then(r=>{ if(!r.ok) throw new Error("HTTP "+r.status); return r.json(); })
     .then(data=>{
+        if(!data || data.result == null) throw new Error("返回数据为空");
         const el=document.getElementById("weekly_result");
         const wrap=document.getElementById("weekly_result_wrap");
         setAiReviewMarkdown(el, data.result);
         if(wrap){ wrap.style.display="block"; }
-        else { el.style.display="block"; }
+        else if(el){ el.style.display="block"; }
+        if(window.AiReviewRender && AiReviewRender.clearGenerating) AiReviewRender.clearGenerating("gen-weekly-btn");
         loadReviews();
     })
-    .catch(e=>alert("生成周复盘失败："+(e.message||e)));
+    .catch(e=>{
+        if(window.AiReviewRender && AiReviewRender.clearGenerating) AiReviewRender.clearGenerating("gen-weekly-btn");
+        const el=document.getElementById("weekly_result");
+        if(el){
+            el.classList.remove("is-loading","ai-result-md");
+            el.innerText="生成失败，请重试。";
+        }
+        alert("生成周复盘失败："+(e.message||e));
+    });
 }
 
 function exportDailyBundleMd(){
diff --git a/crypto_monitor_gate_bot/app.py b/crypto_monitor_gate_bot/app.py
index 05e6c72..34bc1f2 100644
--- a/crypto_monitor_gate_bot/app.py
+++ b/crypto_monitor_gate_bot/app.py
@@ -5573,9 +5573,10 @@ def render_main_page(page="trade"):
     preview_snapshots = []
     if page == "records":
         try:
+            snap_ts = sql_list_time_field("preview_created_at", "snapshot_at")
             snap_rows = conn.execute(
-                f"SELECT * FROM trend_pullback_preview_snapshots WHERE {sql_list_time_field('preview_created_at')} >= ? "
-                f"AND {sql_list_time_field('preview_created_at')} <= ? ORDER BY id DESC LIMIT 500",
+                f"SELECT * FROM trend_pullback_preview_snapshots WHERE {snap_ts} >= ? "
+                f"AND {snap_ts} <= ? ORDER BY id DESC LIMIT 500",
                 (start_bj, end_bj),
             ).fetchall()
             for sr in snap_rows:
diff --git a/crypto_monitor_gate_bot/templates/index.html b/crypto_monitor_gate_bot/templates/index.html
index a3ed3ea..b07cc29 100644
--- a/crypto_monitor_gate_bot/templates/index.html
+++ b/crypto_monitor_gate_bot/templates/index.html
@@ -269,7 +269,7 @@
             .stats-split-row{grid-template-columns:1fr}
         }
     </style>
-    <link rel="stylesheet" href="/static/instance_theme.css?v=6">
+    <link rel="stylesheet" href="/static/instance_theme.css?v=7">
 
 </head>
 <body data-page="{{ page }}">
@@ -769,11 +769,11 @@
             </div>
             <div class="form-row">
                 <input type="date" id="day_date">
-                <button type="button" onclick="genDaily()">生成日复盘</button>
+                <button type="button" id="gen-daily-btn" onclick="genDaily()">生成日复盘</button>
                 <button type="button" onclick="exportDailyBundleMd()" style="background:#1f3a5a">导出当日日复盘MD</button>
                 <input type="date" id="week_start">
                 <input type="date" id="week_end">
-                <button type="button" onclick="genWeekly()">生成周复盘</button>
+                <button type="button" id="gen-weekly-btn" onclick="genWeekly()">生成周复盘</button>
                 <button type="button" onclick="exportWeeklyBundleMd()" style="background:#1f3a5a">导出当周复盘MD</button>
             </div>
             <div class="ai-result-wrap" id="daily_result_wrap" style="display:none">
@@ -871,7 +871,7 @@
 </div>
 
 <script src="/static/instance_ui.js?v=1"></script>
-<script src="/static/ai_review_render.js?v=1"></script>
+<script src="/static/ai_review_render.js?v=2"></script>
 <script src="/static/form_submit_guard.js?v=2"></script>
 <script>
 const JOURNAL_ENTRY_REASON_OPTIONS = {{ entry_reason_options | tojson }};
@@ -1196,36 +1196,76 @@ function loadReviews(){
 }
 
 function genDaily(){
+    if(window.AiReviewRender && AiReviewRender.isGenerating && AiReviewRender.isGenerating()) return;
     const d = document.getElementById("day_date").value;
     if(!d){alert("请选择日期");return;}
+    if(window.AiReviewRender && AiReviewRender.setGenerating){
+        AiReviewRender.setGenerating({
+            wrapId:"daily_result_wrap",
+            elId:"daily_result",
+            btnId:"gen-daily-btn",
+            message:"生成日复盘中，请稍候…（AI 分析可能需要 1～3 分钟）",
+            btnLabel:"日复盘生成中…"
+        });
+    }
     fetch("/ai_daily_review",{method:"POST",headers:{"Content-Type":"application/x-www-form-urlencoded"},body:`date=${encodeURIComponent(d)}`})
     .then(r=>{ if(!r.ok) throw new Error("HTTP "+r.status); return r.json(); })
     .then(data=>{
+        if(!data || data.result == null) throw new Error("返回数据为空");
         const el=document.getElementById("daily_result");
         const wrap=document.getElementById("daily_result_wrap");
         setAiReviewMarkdown(el, data.result);
         if(wrap){ wrap.style.display="block"; }
-        else { el.style.display="block"; }
+        else if(el){ el.style.display="block"; }
+        if(window.AiReviewRender && AiReviewRender.clearGenerating) AiReviewRender.clearGenerating("gen-daily-btn");
         loadReviews();
     })
-    .catch(e=>alert("生成日复盘失败："+(e.message||e)));
+    .catch(e=>{
+        if(window.AiReviewRender && AiReviewRender.clearGenerating) AiReviewRender.clearGenerating("gen-daily-btn");
+        const el=document.getElementById("daily_result");
+        if(el){
+            el.classList.remove("is-loading","ai-result-md");
+            el.innerText="生成失败，请重试。";
+        }
+        alert("生成日复盘失败："+(e.message||e));
+    });
 }
 
 function genWeekly(){
+    if(window.AiReviewRender && AiReviewRender.isGenerating && AiReviewRender.isGenerating()) return;
     const s=document.getElementById("week_start").value;
     const e=document.getElementById("week_end").value;
     if(!s || !e){alert("请选择起止日期");return;}
+    if(window.AiReviewRender && AiReviewRender.setGenerating){
+        AiReviewRender.setGenerating({
+            wrapId:"weekly_result_wrap",
+            elId:"weekly_result",
+            btnId:"gen-weekly-btn",
+            message:"生成周复盘中，请稍候…（AI 分析可能需要 1～3 分钟）",
+            btnLabel:"周复盘生成中…"
+        });
+    }
     fetch("/ai_weekly_review",{method:"POST",headers:{"Content-Type":"application/x-www-form-urlencoded"},body:`start_date=${encodeURIComponent(s)}&end_date=${encodeURIComponent(e)}`})
     .then(r=>{ if(!r.ok) throw new Error("HTTP "+r.status); return r.json(); })
     .then(data=>{
+        if(!data || data.result == null) throw new Error("返回数据为空");
         const el=document.getElementById("weekly_result");
         const wrap=document.getElementById("weekly_result_wrap");
         setAiReviewMarkdown(el, data.result);
         if(wrap){ wrap.style.display="block"; }
-        else { el.style.display="block"; }
+        else if(el){ el.style.display="block"; }
+        if(window.AiReviewRender && AiReviewRender.clearGenerating) AiReviewRender.clearGenerating("gen-weekly-btn");
         loadReviews();
     })
-    .catch(e=>alert("生成周复盘失败："+(e.message||e)));
+    .catch(e=>{
+        if(window.AiReviewRender && AiReviewRender.clearGenerating) AiReviewRender.clearGenerating("gen-weekly-btn");
+        const el=document.getElementById("weekly_result");
+        if(el){
+            el.classList.remove("is-loading","ai-result-md");
+            el.innerText="生成失败，请重试。";
+        }
+        alert("生成周复盘失败："+(e.message||e));
+    });
 }
 
 function exportDailyBundleMd(){
diff --git a/crypto_monitor_okx/templates/index.html b/crypto_monitor_okx/templates/index.html
index 5c01276..1280c22 100644
--- a/crypto_monitor_okx/templates/index.html
+++ b/crypto_monitor_okx/templates/index.html
@@ -232,7 +232,7 @@
         .stats-period-block h3{font-size:1rem;color:#dbe4ff;margin-bottom:4px}
         .stats-period-block .sub{font-size:.78rem;color:#8892b0;margin-bottom:10px;line-height:1.4}
     </style>
-    <link rel="stylesheet" href="/static/instance_theme.css?v=6">
+    <link rel="stylesheet" href="/static/instance_theme.css?v=7">
 
 </head>
 <body data-page="{{ page }}">
@@ -822,11 +822,11 @@
             </div>
             <div class="form-row">
                 <input type="date" id="day_date">
-                <button type="button" onclick="genDaily()">生成日复盘</button>
+                <button type="button" id="gen-daily-btn" onclick="genDaily()">生成日复盘</button>
                 <button type="button" onclick="exportDailyBundleMd()" style="background:#1f3a5a">导出当日日复盘MD</button>
                 <input type="date" id="week_start">
                 <input type="date" id="week_end">
-                <button type="button" onclick="genWeekly()">生成周复盘</button>
+                <button type="button" id="gen-weekly-btn" onclick="genWeekly()">生成周复盘</button>
                 <button type="button" onclick="exportWeeklyBundleMd()" style="background:#1f3a5a">导出当周复盘MD</button>
             </div>
             <div class="ai-result-wrap" id="daily_result_wrap" style="display:none">
@@ -911,7 +911,7 @@
 </div>
 
 <script src="/static/instance_ui.js?v=1"></script>
-<script src="/static/ai_review_render.js?v=1"></script>
+<script src="/static/ai_review_render.js?v=2"></script>
 <script src="/static/form_submit_guard.js?v=2"></script>
 <script>
 const JOURNAL_ENTRY_REASON_OPTIONS = {{ entry_reason_options | tojson }};
@@ -1242,36 +1242,76 @@ function loadReviews(){
 }
 
 function genDaily(){
+    if(window.AiReviewRender && AiReviewRender.isGenerating && AiReviewRender.isGenerating()) return;
     const d = document.getElementById("day_date").value;
     if(!d){alert("请选择日期");return;}
+    if(window.AiReviewRender && AiReviewRender.setGenerating){
+        AiReviewRender.setGenerating({
+            wrapId:"daily_result_wrap",
+            elId:"daily_result",
+            btnId:"gen-daily-btn",
+            message:"生成日复盘中，请稍候…（AI 分析可能需要 1～3 分钟）",
+            btnLabel:"日复盘生成中…"
+        });
+    }
     fetch("/ai_daily_review",{method:"POST",headers:{"Content-Type":"application/x-www-form-urlencoded"},body:`date=${encodeURIComponent(d)}`})
     .then(r=>{ if(!r.ok) throw new Error("HTTP "+r.status); return r.json(); })
     .then(data=>{
+        if(!data || data.result == null) throw new Error("返回数据为空");
         const el=document.getElementById("daily_result");
         const wrap=document.getElementById("daily_result_wrap");
         setAiReviewMarkdown(el, data.result);
         if(wrap){ wrap.style.display="block"; }
-        else { el.style.display="block"; }
+        else if(el){ el.style.display="block"; }
+        if(window.AiReviewRender && AiReviewRender.clearGenerating) AiReviewRender.clearGenerating("gen-daily-btn");
         loadReviews();
     })
-    .catch(e=>alert("生成日复盘失败："+(e.message||e)));
+    .catch(e=>{
+        if(window.AiReviewRender && AiReviewRender.clearGenerating) AiReviewRender.clearGenerating("gen-daily-btn");
+        const el=document.getElementById("daily_result");
+        if(el){
+            el.classList.remove("is-loading","ai-result-md");
+            el.innerText="生成失败，请重试。";
+        }
+        alert("生成日复盘失败："+(e.message||e));
+    });
 }
 
 function genWeekly(){
+    if(window.AiReviewRender && AiReviewRender.isGenerating && AiReviewRender.isGenerating()) return;
     const s=document.getElementById("week_start").value;
     const e=document.getElementById("week_end").value;
     if(!s || !e){alert("请选择起止日期");return;}
+    if(window.AiReviewRender && AiReviewRender.setGenerating){
+        AiReviewRender.setGenerating({
+            wrapId:"weekly_result_wrap",
+            elId:"weekly_result",
+            btnId:"gen-weekly-btn",
+            message:"生成周复盘中，请稍候…（AI 分析可能需要 1～3 分钟）",
+            btnLabel:"周复盘生成中…"
+        });
+    }
     fetch("/ai_weekly_review",{method:"POST",headers:{"Content-Type":"application/x-www-form-urlencoded"},body:`start_date=${encodeURIComponent(s)}&end_date=${encodeURIComponent(e)}`})
     .then(r=>{ if(!r.ok) throw new Error("HTTP "+r.status); return r.json(); })
     .then(data=>{
+        if(!data || data.result == null) throw new Error("返回数据为空");
         const el=document.getElementById("weekly_result");
         const wrap=document.getElementById("weekly_result_wrap");
         setAiReviewMarkdown(el, data.result);
         if(wrap){ wrap.style.display="block"; }
-        else { el.style.display="block"; }
+        else if(el){ el.style.display="block"; }
+        if(window.AiReviewRender && AiReviewRender.clearGenerating) AiReviewRender.clearGenerating("gen-weekly-btn");
         loadReviews();
     })
-    .catch(e=>alert("生成周复盘失败："+(e.message||e)));
+    .catch(e=>{
+        if(window.AiReviewRender && AiReviewRender.clearGenerating) AiReviewRender.clearGenerating("gen-weekly-btn");
+        const el=document.getElementById("weekly_result");
+        if(el){
+            el.classList.remove("is-loading","ai-result-md");
+            el.innerText="生成失败，请重试。";
+        }
+        alert("生成周复盘失败："+(e.message||e));
+    });
 }
 
 function exportDailyBundleMd(){
diff --git a/history_window_lib.py b/history_window_lib.py
index a97d94d..fc800c1 100644
--- a/history_window_lib.py
+++ b/history_window_lib.py
@@ -92,9 +92,14 @@ def sql_list_time_field(*columns):
     """
     SQLite 列表时间窗比较表达式。
     journal_entries 的 open/close 可能含 'T'，直接与 bounds（空格格式）比会误判为超出上界。
+    单列时不用 COALESCE（SQLite 要求 COALESCE 至少 2 个参数）。
     """
-    cols = ", ".join(columns)
-    return f"REPLACE(COALESCE({cols}), 'T', ' ')"
+    cols = [c for c in columns if c]
+    if not cols:
+        raise ValueError("sql_list_time_field requires at least one column")
+    if len(cols) == 1:
+        return f"REPLACE({cols[0]}, 'T', ' ')"
+    return f"REPLACE(COALESCE({', '.join(cols)}), 'T', ' ')"
 
 
 SESSION_KEY_LIST_WIN = "list_win_filter"
diff --git a/static/ai_review_render.js b/static/ai_review_render.js
index 8d04780..845bcb1 100644
--- a/static/ai_review_render.js
+++ b/static/ai_review_render.js
@@ -109,10 +109,54 @@
         return html.join("\n");
     }
 
+    var _genBusy = false;
+
+    function setGenerating(opts) {
+        opts = opts || {};
+        _genBusy = true;
+        var wrap = document.getElementById(opts.wrapId);
+        var el = document.getElementById(opts.elId);
+        var btn = opts.btnId ? document.getElementById(opts.btnId) : null;
+        if (wrap) wrap.style.display = "block";
+        if (el) {
+            el.classList.remove("ai-result-md");
+            el.classList.add("is-loading");
+            el.innerHTML = "";
+            el.innerText = opts.message || "生成复盘中，请稍候…";
+        }
+        if (btn) {
+            btn.disabled = true;
+            if (!btn.dataset.aiOrigText) btn.dataset.aiOrigText = btn.textContent;
+            btn.textContent = opts.btnLabel || "生成中…";
+        }
+        if (wrap && wrap.scrollIntoView) {
+            try {
+                wrap.scrollIntoView({ behavior: "smooth", block: "nearest" });
+            } catch (e) { /* ignore */ }
+        }
+    }
+
+    function clearGenerating(btnId) {
+        _genBusy = false;
+        var btn = btnId ? document.getElementById(btnId) : null;
+        if (btn) {
+            btn.disabled = false;
+            if (btn.dataset.aiOrigText) {
+                btn.textContent = btn.dataset.aiOrigText;
+                delete btn.dataset.aiOrigText;
+            }
+        }
+    }
+
+    function isGenerating() {
+        return _genBusy;
+    }
+
     function setElementMarkdown(el, rawText) {
         if (!el) return;
         var raw = String(rawText || "");
         el.dataset.markdownRaw = raw;
+        el.classList.remove("is-loading");
         el.classList.add("ai-result-md");
         el.innerHTML = renderMarkdown(raw);
     }
@@ -130,5 +174,8 @@
         renderMarkdown: renderMarkdown,
         setElementMarkdown: setElementMarkdown,
         getElementMarkdown: getElementMarkdown,
+        setGenerating: setGenerating,
+        clearGenerating: clearGenerating,
+        isGenerating: isGenerating,
     };
 })(typeof window !== "undefined" ? window : this);
diff --git a/static/instance_theme.css b/static/instance_theme.css
index 1aee666..f33cf23 100644
--- a/static/instance_theme.css
+++ b/static/instance_theme.css
@@ -601,6 +601,21 @@ html[data-theme="light"] .ai-result {
   color: #1a2838 !important;
 }
 
+.ai-result.is-loading {
+  color: #8fc8ff;
+  font-style: italic;
+  animation: ai-review-pulse 1.2s ease-in-out infinite;
+}
+
+html[data-theme="light"] .ai-result.is-loading {
+  color: #006e9a !important;
+}
+
+@keyframes ai-review-pulse {
+  0%, 100% { opacity: 1; }
+  50% { opacity: 0.55; }
+}
+
 html[data-theme="light"] .ai-result-md p,
 html[data-theme="light"] .detail-modal .panel-body.md-review p {
   color: #1a2838 !important;
