diff --git a/crypto_monitor_binance/app.py b/crypto_monitor_binance/app.py
index e6bd72e..7fb3f6e 100644
--- a/crypto_monitor_binance/app.py
+++ b/crypto_monitor_binance/app.py
@@ -9352,29 +9352,28 @@ def del_order(id):
 @app.route("/add_journal", methods=["POST"])
 @login_required
 def add_journal():
+    from lib.instance.journal_chart_async_lib import journal_ajax_or_flash_error
+
     d = request.form
     order_type_norm = normalize_journal_order_type(d.get("order_type"))
     if not order_type_norm:
-        flash("请选择下单类型")
-        return _redirect_records()
+        return journal_ajax_or_flash_error(request, "请选择下单类型", redirect_fn=_redirect_records)
     direction_norm = normalize_journal_direction(d.get("direction") or d.get("direction_hint"))
     if not direction_norm:
-        flash("请选择方向")
-        return _redirect_records()
+        return journal_ajax_or_flash_error(request, "请选择方向", redirect_fn=_redirect_records)
     entry_reason_norm = normalize_journal_entry_reason(
         d.get("entry_reason"), ENTRY_REASON_OPTIONS, allow_legacy=False
     )
     if not entry_reason_norm:
-        flash("请选择开仓类型")
-        return _redirect_records()
+        return journal_ajax_or_flash_error(request, "请选择开仓类型", redirect_fn=_redirect_records)
     early_exit_trigger = normalize_early_exit_trigger(d.get("early_exit_trigger"))
     early_exit_note = str(d.get("early_exit_note") or "").strip()
     if not early_exit_trigger:
-        flash("请选择离场触发")
-        return _redirect_records()
+        return journal_ajax_or_flash_error(request, "请选择离场触发", redirect_fn=_redirect_records)
     if early_exit_trigger == "手动平仓" and not early_exit_note:
-        flash("手工平仓必须填写补充说明")
-        return _redirect_records()
+        return journal_ajax_or_flash_error(
+            request, "手工平仓必须填写补充说明", redirect_fn=_redirect_records
+        )
     if early_exit_trigger != "手动平仓":
         early_exit_note = ""
     # 兼容字段:仅「手工平仓」记为「主观提前」语义下的「是」
@@ -9407,14 +9406,14 @@ def add_journal():
 
     want_exchange_chart = (
         not has_manual_uploads
+        and ORDER_CHART_ENABLED
         and d.get("journal_exchange_chart", "").lower() in ("1", "true", "on", "yes")
     )
-    chart_msg = None
-    if want_exchange_chart and ORDER_CHART_ENABLED:
+    chart_job = None
+    if want_exchange_chart:
         coin = (d.get("coin") or "").strip().upper()
         symbol_guess = normalize_symbol_input(coin) or coin
         exchange_symbol = normalize_exchange_symbol(symbol_guess)
-        title_prefix = f"{symbol_guess} journal {entry_id[:8]}"
         journal_tfs = parse_journal_chart_timeframes(
             d.get("journal_chart_tf1"),
             d.get("journal_chart_tf2"),
@@ -9422,36 +9421,21 @@ def add_journal():
         )
         journal_limit = parse_journal_chart_limit(d.get("journal_chart_limit"), ORDER_CHART_LIMIT)
         chart_anchor = parse_journal_chart_anchor(d.get("journal_chart_anchor"))
-        marker_payload = {
-            "entry_ts_ms": _local_input_datetime_to_ms(d.get("open_datetime")),
-            "exit_ts_ms": _local_input_datetime_to_ms(d.get("close_datetime")),
-            "entry_price": d.get("entry_price_hint"),
-            "exit_price": d.get("exit_price_hint"),
-            "stop_loss_price": d.get("stop_loss_hint"),
-            "chart_anchor": chart_anchor,
-            "now_ts_ms": int(app_now().timestamp() * 1000),
+        chart_job = {
+            "exchange_symbol": exchange_symbol,
+            "title_prefix": f"{symbol_guess} journal {entry_id[:8]}",
+            "journal_tfs": journal_tfs,
+            "journal_limit": journal_limit,
+            "marker_payload": {
+                "entry_ts_ms": _local_input_datetime_to_ms(d.get("open_datetime")),
+                "exit_ts_ms": _local_input_datetime_to_ms(d.get("close_datetime")),
+                "entry_price": d.get("entry_price_hint"),
+                "exit_price": d.get("exit_price_hint"),
+                "stop_loss_price": d.get("stop_loss_hint"),
+                "chart_anchor": chart_anchor,
+                "now_ts_ms": int(app_now().timestamp() * 1000),
+            },
         }
-        try:
-            chart_fname = f"journal_{entry_id}.png"
-            saved = generate_multi_timeframe_chart_png(
-                exchange_symbol,
-                title_prefix,
-                timeframes=journal_tfs,
-                limit=journal_limit,
-                out_dir=app.config["UPLOAD_FOLDER"],
-                filename=chart_fname,
-                filename_prefix="journal",
-                marker_payload=marker_payload,
-                marker_timeframes={x.strip().lower() for x in journal_tfs},
-                layout="vertical",
-            )
-            if saved:
-                image_filename = saved
-                chart_msg = f"已生成复盘K线图({'/'.join(journal_tfs)} 各{journal_limit}根):/static/images/{saved}"
-            else:
-                chart_msg = "已勾选自动生成K线图,但生成失败(返回空).请检查 Pillow 是否安装,Binance 网络/代理是否正常."
-        except Exception as e:
-            chart_msg = f"自动生成K线图失败:{str(e)}"
 
     conn = get_db()
     conn.execute(
@@ -9488,10 +9472,38 @@ def add_journal():
     )
     conn.commit()
     conn.close()
-    if chart_msg:
-        flash(f"交易复盘记录已保存.{chart_msg}")
+    if chart_job:
+        from lib.instance.journal_chart_async_lib import schedule_journal_exchange_chart
+
+        schedule_journal_exchange_chart(
+            entry_id=entry_id,
+            exchange_symbol=chart_job["exchange_symbol"],
+            title_prefix=chart_job["title_prefix"],
+            journal_tfs=chart_job["journal_tfs"],
+            journal_limit=chart_job["journal_limit"],
+            marker_payload=chart_job["marker_payload"],
+            upload_folder=app.config["UPLOAD_FOLDER"],
+            generate_chart_fn=generate_multi_timeframe_chart_png,
+            get_db_fn=get_db,
+        )
+        msg = (
+            "交易复盘记录已保存.K 线图后台生成中"
+            f"({'/'.join(chart_job['journal_tfs'])} 各{chart_job['journal_limit']}根),稍后刷新列表可见."
+        )
     else:
-        flash("交易复盘记录已保存")
+        msg = "交易复盘记录已保存"
+    from lib.instance.journal_chart_async_lib import request_wants_journal_ajax
+
+    if request_wants_journal_ajax(request):
+        return jsonify(
+            {
+                "ok": True,
+                "id": entry_id,
+                "msg": msg,
+                "chart_pending": bool(chart_job),
+            }
+        )
+    flash(msg)
     return _redirect_records()
 
 
diff --git a/crypto_monitor_gate/app.py b/crypto_monitor_gate/app.py
index e8c8ca0..07b89af 100644
--- a/crypto_monitor_gate/app.py
+++ b/crypto_monitor_gate/app.py
@@ -9190,29 +9190,28 @@ def del_order(id):
 @app.route("/add_journal", methods=["POST"])
 @login_required
 def add_journal():
+    from lib.instance.journal_chart_async_lib import journal_ajax_or_flash_error
+
     d = request.form
     order_type_norm = normalize_journal_order_type(d.get("order_type"))
     if not order_type_norm:
-        flash("请选择下单类型")
-        return _redirect_records()
+        return journal_ajax_or_flash_error(request, "请选择下单类型", redirect_fn=_redirect_records)
     direction_norm = normalize_journal_direction(d.get("direction") or d.get("direction_hint"))
     if not direction_norm:
-        flash("请选择方向")
-        return _redirect_records()
+        return journal_ajax_or_flash_error(request, "请选择方向", redirect_fn=_redirect_records)
     entry_reason_norm = normalize_journal_entry_reason(
         d.get("entry_reason"), ENTRY_REASON_OPTIONS, allow_legacy=False
     )
     if not entry_reason_norm:
-        flash("请选择开仓类型")
-        return _redirect_records()
+        return journal_ajax_or_flash_error(request, "请选择开仓类型", redirect_fn=_redirect_records)
     early_exit_trigger = normalize_early_exit_trigger(d.get("early_exit_trigger"))
     early_exit_note = str(d.get("early_exit_note") or "").strip()
     if not early_exit_trigger:
-        flash("请选择离场触发")
-        return _redirect_records()
+        return journal_ajax_or_flash_error(request, "请选择离场触发", redirect_fn=_redirect_records)
     if early_exit_trigger == "手动平仓" and not early_exit_note:
-        flash("手工平仓必须填写补充说明")
-        return _redirect_records()
+        return journal_ajax_or_flash_error(
+            request, "手工平仓必须填写补充说明", redirect_fn=_redirect_records
+        )
     if early_exit_trigger != "手动平仓":
         early_exit_note = ""
     # 兼容字段:仅「手工平仓」记为「主观提前」语义下的「是」
@@ -9245,14 +9244,14 @@ def add_journal():
 
     want_exchange_chart = (
         not has_manual_uploads
+        and ORDER_CHART_ENABLED
         and d.get("journal_exchange_chart", "").lower() in ("1", "true", "on", "yes")
     )
-    chart_msg = None
-    if want_exchange_chart and ORDER_CHART_ENABLED:
+    chart_job = None
+    if want_exchange_chart:
         coin = (d.get("coin") or "").strip().upper()
         symbol_guess = normalize_symbol_input(coin) or coin
         exchange_symbol = normalize_exchange_symbol(symbol_guess)
-        title_prefix = f"{symbol_guess} journal {entry_id[:8]}"
         journal_tfs = parse_journal_chart_timeframes(
             d.get("journal_chart_tf1"),
             d.get("journal_chart_tf2"),
@@ -9260,36 +9259,21 @@ def add_journal():
         )
         journal_limit = parse_journal_chart_limit(d.get("journal_chart_limit"), ORDER_CHART_LIMIT)
         chart_anchor = parse_journal_chart_anchor(d.get("journal_chart_anchor"))
-        marker_payload = {
-            "entry_ts_ms": _local_input_datetime_to_ms(d.get("open_datetime")),
-            "exit_ts_ms": _local_input_datetime_to_ms(d.get("close_datetime")),
-            "entry_price": d.get("entry_price_hint"),
-            "exit_price": d.get("exit_price_hint"),
-            "stop_loss_price": d.get("stop_loss_hint"),
-            "chart_anchor": chart_anchor,
-            "now_ts_ms": int(app_now().timestamp() * 1000),
+        chart_job = {
+            "exchange_symbol": exchange_symbol,
+            "title_prefix": f"{symbol_guess} journal {entry_id[:8]}",
+            "journal_tfs": journal_tfs,
+            "journal_limit": journal_limit,
+            "marker_payload": {
+                "entry_ts_ms": _local_input_datetime_to_ms(d.get("open_datetime")),
+                "exit_ts_ms": _local_input_datetime_to_ms(d.get("close_datetime")),
+                "entry_price": d.get("entry_price_hint"),
+                "exit_price": d.get("exit_price_hint"),
+                "stop_loss_price": d.get("stop_loss_hint"),
+                "chart_anchor": chart_anchor,
+                "now_ts_ms": int(app_now().timestamp() * 1000),
+            },
         }
-        try:
-            chart_fname = f"journal_{entry_id}.png"
-            saved = generate_multi_timeframe_chart_png(
-                exchange_symbol,
-                title_prefix,
-                timeframes=journal_tfs,
-                limit=journal_limit,
-                out_dir=app.config["UPLOAD_FOLDER"],
-                filename=chart_fname,
-                filename_prefix="journal",
-                marker_payload=marker_payload,
-                marker_timeframes={x.strip().lower() for x in journal_tfs},
-                layout="vertical",
-            )
-            if saved:
-                image_filename = saved
-                chart_msg = f"已生成复盘K线图({'/'.join(journal_tfs)} 各{journal_limit}根):/static/images/{saved}"
-            else:
-                chart_msg = "已勾选自动生成K线图,但生成失败(返回空).请检查 Pillow 是否安装,Gate 网络/代理是否正常."
-        except Exception as e:
-            chart_msg = f"自动生成K线图失败:{str(e)}"
 
     conn = get_db()
     conn.execute(
@@ -9326,10 +9310,38 @@ def add_journal():
     )
     conn.commit()
     conn.close()
-    if chart_msg:
-        flash(f"交易复盘记录已保存.{chart_msg}")
+    if chart_job:
+        from lib.instance.journal_chart_async_lib import schedule_journal_exchange_chart
+
+        schedule_journal_exchange_chart(
+            entry_id=entry_id,
+            exchange_symbol=chart_job["exchange_symbol"],
+            title_prefix=chart_job["title_prefix"],
+            journal_tfs=chart_job["journal_tfs"],
+            journal_limit=chart_job["journal_limit"],
+            marker_payload=chart_job["marker_payload"],
+            upload_folder=app.config["UPLOAD_FOLDER"],
+            generate_chart_fn=generate_multi_timeframe_chart_png,
+            get_db_fn=get_db,
+        )
+        msg = (
+            "交易复盘记录已保存.K 线图后台生成中"
+            f"({'/'.join(chart_job['journal_tfs'])} 各{chart_job['journal_limit']}根),稍后刷新列表可见."
+        )
     else:
-        flash("交易复盘记录已保存")
+        msg = "交易复盘记录已保存"
+    from lib.instance.journal_chart_async_lib import request_wants_journal_ajax
+
+    if request_wants_journal_ajax(request):
+        return jsonify(
+            {
+                "ok": True,
+                "id": entry_id,
+                "msg": msg,
+                "chart_pending": bool(chart_job),
+            }
+        )
+    flash(msg)
     return _redirect_records()
 
 
diff --git a/crypto_monitor_okx/app.py b/crypto_monitor_okx/app.py
index 4c678fb..36ba081 100644
--- a/crypto_monitor_okx/app.py
+++ b/crypto_monitor_okx/app.py
@@ -8857,29 +8857,28 @@ def del_order(id):
 @app.route("/add_journal", methods=["POST"])
 @login_required
 def add_journal():
+    from lib.instance.journal_chart_async_lib import journal_ajax_or_flash_error
+
     d = request.form
     order_type_norm = normalize_journal_order_type(d.get("order_type"))
     if not order_type_norm:
-        flash("请选择下单类型")
-        return _redirect_records()
+        return journal_ajax_or_flash_error(request, "请选择下单类型", redirect_fn=_redirect_records)
     direction_norm = normalize_journal_direction(d.get("direction") or d.get("direction_hint"))
     if not direction_norm:
-        flash("请选择方向")
-        return _redirect_records()
+        return journal_ajax_or_flash_error(request, "请选择方向", redirect_fn=_redirect_records)
     entry_reason_norm = normalize_journal_entry_reason(
         d.get("entry_reason"), ENTRY_REASON_OPTIONS, allow_legacy=False
     )
     if not entry_reason_norm:
-        flash("请选择开仓类型")
-        return _redirect_records()
+        return journal_ajax_or_flash_error(request, "请选择开仓类型", redirect_fn=_redirect_records)
     early_exit_trigger = normalize_early_exit_trigger(d.get("early_exit_trigger"))
     early_exit_note = str(d.get("early_exit_note") or "").strip()
     if not early_exit_trigger:
-        flash("请选择离场触发")
-        return _redirect_records()
+        return journal_ajax_or_flash_error(request, "请选择离场触发", redirect_fn=_redirect_records)
     if early_exit_trigger == "手动平仓" and not early_exit_note:
-        flash("手工平仓必须填写补充说明")
-        return _redirect_records()
+        return journal_ajax_or_flash_error(
+            request, "手工平仓必须填写补充说明", redirect_fn=_redirect_records
+        )
     if early_exit_trigger != "手动平仓":
         early_exit_note = ""
     # 兼容字段:仅「手工平仓」记为「主观提前」语义下的「是」
@@ -8912,14 +8911,14 @@ def add_journal():
 
     want_exchange_chart = (
         not has_manual_uploads
+        and ORDER_CHART_ENABLED
         and d.get("journal_exchange_chart", "").lower() in ("1", "true", "on", "yes")
     )
-    chart_msg = None
-    if want_exchange_chart and ORDER_CHART_ENABLED:
+    chart_job = None
+    if want_exchange_chart:
         coin = (d.get("coin") or "").strip().upper()
         symbol_guess = normalize_symbol_input(coin) or coin
         exchange_symbol = normalize_okx_symbol(symbol_guess)
-        title_prefix = f"{symbol_guess} journal {entry_id[:8]}"
         journal_tfs = parse_journal_chart_timeframes(
             d.get("journal_chart_tf1"),
             d.get("journal_chart_tf2"),
@@ -8927,36 +8926,21 @@ def add_journal():
         )
         journal_limit = parse_journal_chart_limit(d.get("journal_chart_limit"), ORDER_CHART_LIMIT)
         chart_anchor = parse_journal_chart_anchor(d.get("journal_chart_anchor"))
-        marker_payload = {
-            "entry_ts_ms": _local_input_datetime_to_ms(d.get("open_datetime")),
-            "exit_ts_ms": _local_input_datetime_to_ms(d.get("close_datetime")),
-            "entry_price": d.get("entry_price_hint"),
-            "exit_price": d.get("exit_price_hint"),
-            "stop_loss_price": d.get("stop_loss_hint"),
-            "chart_anchor": chart_anchor,
-            "now_ts_ms": int(app_now().timestamp() * 1000),
+        chart_job = {
+            "exchange_symbol": exchange_symbol,
+            "title_prefix": f"{symbol_guess} journal {entry_id[:8]}",
+            "journal_tfs": journal_tfs,
+            "journal_limit": journal_limit,
+            "marker_payload": {
+                "entry_ts_ms": _local_input_datetime_to_ms(d.get("open_datetime")),
+                "exit_ts_ms": _local_input_datetime_to_ms(d.get("close_datetime")),
+                "entry_price": d.get("entry_price_hint"),
+                "exit_price": d.get("exit_price_hint"),
+                "stop_loss_price": d.get("stop_loss_hint"),
+                "chart_anchor": chart_anchor,
+                "now_ts_ms": int(app_now().timestamp() * 1000),
+            },
         }
-        try:
-            chart_fname = f"journal_{entry_id}.png"
-            saved = generate_multi_timeframe_chart_png(
-                exchange_symbol,
-                title_prefix,
-                timeframes=journal_tfs,
-                limit=journal_limit,
-                out_dir=app.config["UPLOAD_FOLDER"],
-                filename=chart_fname,
-                filename_prefix="journal",
-                marker_payload=marker_payload,
-                marker_timeframes={x.strip().lower() for x in journal_tfs},
-                layout="vertical",
-            )
-            if saved:
-                image_filename = saved
-                chart_msg = f"已生成复盘K线图({'/'.join(journal_tfs)} 各{journal_limit}根):/static/images/{saved}"
-            else:
-                chart_msg = "已勾选自动生成K线图,但生成失败(返回空).请检查 Pillow 是否安装,OKX 网络/代理是否正常."
-        except Exception as e:
-            chart_msg = f"自动生成K线图失败:{str(e)}"
 
     conn = get_db()
     conn.execute(
@@ -8993,10 +8977,38 @@ def add_journal():
     )
     conn.commit()
     conn.close()
-    if chart_msg:
-        flash(f"交易复盘记录已保存.{chart_msg}")
+    if chart_job:
+        from lib.instance.journal_chart_async_lib import schedule_journal_exchange_chart
+
+        schedule_journal_exchange_chart(
+            entry_id=entry_id,
+            exchange_symbol=chart_job["exchange_symbol"],
+            title_prefix=chart_job["title_prefix"],
+            journal_tfs=chart_job["journal_tfs"],
+            journal_limit=chart_job["journal_limit"],
+            marker_payload=chart_job["marker_payload"],
+            upload_folder=app.config["UPLOAD_FOLDER"],
+            generate_chart_fn=generate_multi_timeframe_chart_png,
+            get_db_fn=get_db,
+        )
+        msg = (
+            "交易复盘记录已保存.K 线图后台生成中"
+            f"({'/'.join(chart_job['journal_tfs'])} 各{chart_job['journal_limit']}根),稍后刷新列表可见."
+        )
     else:
-        flash("交易复盘记录已保存")
+        msg = "交易复盘记录已保存"
+    from lib.instance.journal_chart_async_lib import request_wants_journal_ajax
+
+    if request_wants_journal_ajax(request):
+        return jsonify(
+            {
+                "ok": True,
+                "id": entry_id,
+                "msg": msg,
+                "chart_pending": bool(chart_job),
+            }
+        )
+    flash(msg)
     return _redirect_records()
 
 
diff --git a/lib/common/static/journal_form_save.js b/lib/common/static/journal_form_save.js
new file mode 100644
index 0000000..822ec09
--- /dev/null
+++ b/lib/common/static/journal_form_save.js
@@ -0,0 +1,142 @@
+/**
+ * 复盘表单 AJAX 保存:避免整页刷新卡顿;配合 FormSubmitGuard 即时反馈.
+ */
+(function (global) {
+  "use strict";
+
+  function $(id) {
+    return document.getElementById(id);
+  }
+
+  function toast(msg) {
+    if (!msg) return;
+    try {
+      if (global.InstanceTheme && typeof InstanceTheme.toast === "function") {
+        InstanceTheme.toast(msg);
+        return;
+      }
+    } catch (_) {}
+    try {
+      alert(msg);
+    } catch (_) {}
+  }
+
+  function refreshLists() {
+    if (typeof global.loadJournals === "function") {
+      try {
+        global.loadJournals();
+      } catch (_) {}
+    } else if (global.RecordsReviewPage && typeof RecordsReviewPage.loadJournals === "function") {
+      try {
+        RecordsReviewPage.loadJournals();
+      } catch (_) {}
+    }
+  }
+
+  function resetJournalForm(form) {
+    if (!form) return;
+    form.reset();
+    ["risk-amount-hint", "entry-price-hint", "stop-loss-hint", "exit-price-hint", "direction-hint"].forEach(
+      function (id) {
+        var el = $(id);
+        if (el) el.value = "";
+      }
+    );
+    if (global.JournalUploadSlots && typeof JournalUploadSlots.reset === "function") {
+      JournalUploadSlots.reset(form);
+    }
+    if (typeof global.syncEarlyExitNoteRequired === "function") {
+      try {
+        global.syncEarlyExitNoteRequired();
+      } catch (_) {}
+    }
+    if (global.RecordsReviewPage && typeof RecordsReviewPage.hideJournalCard === "function") {
+      try {
+        RecordsReviewPage.hideJournalCard();
+      } catch (_) {}
+    }
+  }
+
+  function onSuccess(form, data) {
+    var msg = (data && data.msg) || "交易复盘记录已保存";
+    toast(msg);
+    resetJournalForm(form);
+    refreshLists();
+    if (data && data.chart_pending) {
+      // K 线后台生成,数秒后再刷一次列表拿缩略图
+      setTimeout(refreshLists, 4000);
+      setTimeout(refreshLists, 12000);
+    }
+  }
+
+  function bind(form) {
+    if (!form || form.dataset.journalAjaxBound === "1") return;
+    form.dataset.journalAjaxBound = "1";
+    form.addEventListener("submit", function (ev) {
+      if (typeof global.validateJournalEntryReason === "function") {
+        if (!global.validateJournalEntryReason()) {
+          ev.preventDefault();
+          return;
+        }
+      }
+      ev.preventDefault();
+      if (global.FormSubmitGuard && FormSubmitGuard.isLocked(form)) return;
+      if (global.FormSubmitGuard) FormSubmitGuard.lock(form, "保存中…");
+
+      var fd = new FormData(form);
+      fd.set("ajax", "1");
+      var action = form.getAttribute("action") || "/add_journal";
+
+      fetch(action, {
+        method: "POST",
+        body: fd,
+        credentials: "same-origin",
+        headers: {
+          "X-Requested-With": "XMLHttpRequest",
+          Accept: "application/json",
+        },
+      })
+        .then(function (res) {
+          var ct = (res.headers.get("content-type") || "").toLowerCase();
+          if (ct.indexOf("application/json") >= 0) {
+            return res.json().then(function (data) {
+              return { ok: res.ok, data: data, redirected: false };
+            });
+          }
+          // 旧后端未返回 JSON 时走整页逻辑
+          if (res.redirected || res.ok) {
+            global.location.reload();
+            return { ok: true, data: null, redirected: true };
+          }
+          throw new Error("save failed");
+        })
+        .then(function (result) {
+          if (result.redirected) return;
+          if (!result.ok || !result.data || result.data.ok === false) {
+            var err =
+              (result.data && (result.data.msg || result.data.error)) || "保存失败";
+            throw new Error(err);
+          }
+          onSuccess(form, result.data);
+        })
+        .catch(function (err) {
+          toast((err && err.message) || "保存失败,请稍后重试");
+        })
+        .finally(function () {
+          if (global.FormSubmitGuard) FormSubmitGuard.unlock(form);
+        });
+    });
+  }
+
+  function init() {
+    bind($("journal-form"));
+  }
+
+  global.JournalFormSave = { init: init, bind: bind };
+
+  if (document.readyState === "loading") {
+    document.addEventListener("DOMContentLoaded", init);
+  } else {
+    init();
+  }
+})(typeof window !== "undefined" ? window : globalThis);
diff --git a/lib/hub/hub_bridge.py b/lib/hub/hub_bridge.py
index 8f682e5..4cfb1a5 100644
--- a/lib/hub/hub_bridge.py
+++ b/lib/hub/hub_bridge.py
@@ -66,6 +66,7 @@ def install_instance_theme_static(app) -> None:
         "manual_order_rr_preview.js": "application/javascript; charset=utf-8",
         "symbol_live_price.js": "application/javascript; charset=utf-8",
         "journal_upload_slots.js": "application/javascript; charset=utf-8",
+        "journal_form_save.js": "application/javascript; charset=utf-8",
         "strategy_roll.js": "application/javascript; charset=utf-8",
         "instance_page.css": "text/css; charset=utf-8",
         "instance_embed.js": "application/javascript; charset=utf-8",
diff --git a/lib/instance/journal_chart_async_lib.py b/lib/instance/journal_chart_async_lib.py
new file mode 100644
index 0000000..bdd01d1
--- /dev/null
+++ b/lib/instance/journal_chart_async_lib.py
@@ -0,0 +1,93 @@
+"""复盘自动 K 线:后台线程生成,避免 /add_journal 同步卡住."""
+
+from __future__ import annotations
+
+import logging
+import threading
+from typing import Any, Callable
+
+logger = logging.getLogger(__name__)
+
+
+def schedule_journal_exchange_chart(
+    *,
+    entry_id: str,
+    exchange_symbol: str,
+    title_prefix: str,
+    journal_tfs: list[str],
+    journal_limit: int,
+    marker_payload: dict[str, Any],
+    upload_folder: str,
+    generate_chart_fn: Callable[..., str | None],
+    get_db_fn: Callable[[], Any],
+) -> None:
+    """提交后立即返回;线程内画图并写回 journal_entries.image."""
+    entry_id = str(entry_id or "").strip()
+    if not entry_id or not callable(generate_chart_fn) or not callable(get_db_fn):
+        return
+
+    tfs = [str(x).strip() for x in (journal_tfs or []) if str(x).strip()]
+    if not tfs:
+        return
+
+    def _run() -> None:
+        try:
+            chart_fname = f"journal_{entry_id}.png"
+            saved = generate_chart_fn(
+                exchange_symbol,
+                title_prefix,
+                timeframes=tfs,
+                limit=journal_limit,
+                out_dir=upload_folder,
+                filename=chart_fname,
+                filename_prefix="journal",
+                marker_payload=marker_payload,
+                marker_timeframes={x.lower() for x in tfs},
+                layout="vertical",
+            )
+            if not saved:
+                logger.warning("journal chart async empty entry_id=%s", entry_id)
+                return
+            conn = get_db_fn()
+            try:
+                conn.execute(
+                    "UPDATE journal_entries SET image=? WHERE id=?",
+                    (saved, entry_id),
+                )
+                conn.commit()
+            finally:
+                conn.close()
+        except Exception:
+            logger.exception("journal chart async failed entry_id=%s", entry_id)
+
+    threading.Thread(
+        target=_run,
+        name=f"journal-chart-{entry_id[:8]}",
+        daemon=True,
+    ).start()
+
+
+def request_wants_journal_ajax(request: Any) -> bool:
+    """XHR / Accept:json / form ajax=1 → 返回 JSON,避免整页刷新."""
+    xrw = str(getattr(request, "headers", {}).get("X-Requested-With") or "").lower()
+    if xrw == "xmlhttprequest":
+        return True
+    form = getattr(request, "form", None)
+    if form is not None:
+        raw = str(form.get("ajax") or "").strip().lower()
+        if raw in ("1", "true", "yes", "on"):
+            return True
+    accept = str(getattr(request, "headers", {}).get("Accept") or "").lower()
+    if "application/json" in accept and accept.strip().startswith("application/json"):
+        return True
+    return False
+
+
+def journal_ajax_or_flash_error(request: Any, msg: str, *, redirect_fn: Callable[[], Any]):
+    """校验失败:AJAX 返回 JSON,否则 flash + 跳转."""
+    from flask import flash, jsonify
+
+    if request_wants_journal_ajax(request):
+        return jsonify({"ok": False, "msg": msg}), 400
+    flash(msg)
+    return redirect_fn()
diff --git a/lib/instance/templates/embed_boot_scripts.html b/lib/instance/templates/embed_boot_scripts.html
index ecbc41f..62827b7 100644
--- a/lib/instance/templates/embed_boot_scripts.html
+++ b/lib/instance/templates/embed_boot_scripts.html
@@ -1318,13 +1318,6 @@ if(window.ManualOrderRrPreview){
 
 refreshAccountSnapshot();
 if (window.AccountRiskBadge) AccountRiskBadge.startTicker();
-const _journalFormEl = document.getElementById("journal-form");
-if(_journalFormEl){
-    _journalFormEl.addEventListener("submit", function(ev){
-        if(!validateJournalEntryReason()) ev.preventDefault();
-    });
-}
-
 const addOrderForm = document.getElementById("add-order-form");
 if(addOrderForm){
     addOrderForm.addEventListener("submit", function(ev){
diff --git a/lib/instance/templates/embed_shell.html b/lib/instance/templates/embed_shell.html
index 2e36a8f..c0c2152 100644
--- a/lib/instance/templates/embed_shell.html
+++ b/lib/instance/templates/embed_shell.html
@@ -97,6 +97,7 @@
 <script src="/static/time_close_ui.js?v=3"></script>
 <script src="/static/ai_review_render.js?v=2"></script>
 <script src="/static/form_submit_guard.js?v=2"></script>
+<script src="/static/journal_form_save.js?v=1"></script>
 <script>
 const ORDER_ENTRY_MODEL_TRADE_STYLE = {{ entry_model_trade_style_map | tojson }};
 const ORDER_ENTRY_MODEL_CATEGORIES = {{ entry_model_categories | tojson }};
diff --git a/lib/instance/templates/index.html b/lib/instance/templates/index.html
index 77fe4b2..f2e1b47 100644
--- a/lib/instance/templates/index.html
+++ b/lib/instance/templates/index.html
@@ -456,6 +456,7 @@
 <script src="/static/time_close_ui.js?v=3"></script>
 <script src="/static/ai_review_render.js?v=2"></script>
 <script src="/static/form_submit_guard.js?v=2"></script>
+<script src="/static/journal_form_save.js?v=1"></script>
 <script>
 const ORDER_ENTRY_MODEL_TRADE_STYLE = {{ entry_model_trade_style_map | tojson }};
 const ORDER_ENTRY_MODEL_CATEGORIES = {{ entry_model_categories | tojson }};
@@ -1823,13 +1824,6 @@ if(window.ManualOrderRrPreview){
 
 refreshAccountSnapshot();
 if (window.AccountRiskBadge) AccountRiskBadge.startTicker();
-const _journalFormEl = document.getElementById("journal-form");
-if(_journalFormEl){
-    _journalFormEl.addEventListener("submit", function(ev){
-        if(!validateJournalEntryReason()) ev.preventDefault();
-    });
-}
-
 const addOrderForm = document.getElementById("add-order-form");
 if(addOrderForm){
     addOrderForm.addEventListener("submit", function(ev){
diff --git a/lib/instance/templates/records_panel.html b/lib/instance/templates/records_panel.html
index b7bed02..53dda4e 100644
--- a/lib/instance/templates/records_panel.html
+++ b/lib/instance/templates/records_panel.html
@@ -57,7 +57,7 @@
             <div class="form-row journal-chart-options" style="flex-wrap:wrap;align-items:center">
                 <label style="display:flex;align-items:center;gap:6px;font-size:.82rem;color:#cfd3ef">
                     <input type="checkbox" name="journal_exchange_chart" value="true">
-                    保存时自动生成 K 线图并作为截图
+                    保存后后台生成 K 线图并作为截图(不阻塞保存)
                 </label>
                 <label style="font-size:.82rem;color:#9aa">周期1</label>
                 <select name="journal_chart_tf1" style="min-width:72px">
diff --git a/tests/test_journal_chart_async_lib.py b/tests/test_journal_chart_async_lib.py
new file mode 100644
index 0000000..08d2c36
--- /dev/null
+++ b/tests/test_journal_chart_async_lib.py
@@ -0,0 +1,55 @@
+from unittest import TestCase
+from unittest.mock import MagicMock, patch
+
+from lib.instance.journal_chart_async_lib import (
+    request_wants_journal_ajax,
+    schedule_journal_exchange_chart,
+)
+
+
+class _FakeHeaders(dict):
+    def get(self, key, default=None):
+        for k, v in self.items():
+            if str(k).lower() == str(key).lower():
+                return v
+        return default
+
+
+class JournalChartAsyncLibTests(TestCase):
+    def test_request_wants_journal_ajax_xhr(self):
+        req = MagicMock()
+        req.headers = _FakeHeaders({"X-Requested-With": "XMLHttpRequest"})
+        req.form = {}
+        self.assertTrue(request_wants_journal_ajax(req))
+
+    def test_request_wants_journal_ajax_form(self):
+        req = MagicMock()
+        req.headers = _FakeHeaders({})
+        req.form = {"ajax": "1"}
+        self.assertTrue(request_wants_journal_ajax(req))
+
+    def test_request_wants_journal_ajax_plain(self):
+        req = MagicMock()
+        req.headers = _FakeHeaders({"Accept": "text/html"})
+        req.form = {}
+        self.assertFalse(request_wants_journal_ajax(req))
+
+    @patch("lib.instance.journal_chart_async_lib.threading.Thread")
+    def test_schedule_starts_daemon_thread(self, mock_thread_cls):
+        thread = MagicMock()
+        mock_thread_cls.return_value = thread
+        schedule_journal_exchange_chart(
+            entry_id="abc123",
+            exchange_symbol="BTC/USDT:USDT",
+            title_prefix="t",
+            journal_tfs=["5m", "15m"],
+            journal_limit=100,
+            marker_payload={},
+            upload_folder="/tmp",
+            generate_chart_fn=MagicMock(),
+            get_db_fn=MagicMock(),
+        )
+        mock_thread_cls.assert_called_once()
+        kwargs = mock_thread_cls.call_args.kwargs
+        self.assertTrue(kwargs.get("daemon"))
+        thread.start.assert_called_once()