diff --git a/app/factory.py b/app/factory.py
index ccccfe1..bedad04 100644
--- a/app/factory.py
+++ b/app/factory.py
@@ -1,6 +1,8 @@
 # -*- coding: utf-8 -*-
 from __future__ import annotations
 
+from typing import Any
+
 from flask import Flask
 
 from app.config import Config
@@ -8,11 +10,33 @@ from app.db import init_db, seed_if_empty
 from app.routes import register_routes
 
 
+def _fmt_price(value: Any, digits: int = 3) -> str:
+    """价格展示：固定小数位，避免浮点尾巴。"""
+    if value is None or value == "":
+        return "—"
+    try:
+        return f"{float(value):.{int(digits)}f}"
+    except (TypeError, ValueError):
+        return str(value)
+
+
+def _fmt_money(value: Any, digits: int = 2) -> str:
+    if value is None or value == "":
+        return "—"
+    try:
+        return f"{float(value):.{int(digits)}f}"
+    except (TypeError, ValueError):
+        return str(value)
+
+
 def create_app() -> Flask:
     app = Flask(__name__, template_folder="templates", static_folder="static")
     app.config.from_object(Config)
     app.secret_key = Config.SECRET_KEY
 
+    app.jinja_env.filters["fmt_price"] = _fmt_price
+    app.jinja_env.filters["fmt_money"] = _fmt_money
+
     init_db()
     seed_if_empty()
     register_routes(app)
diff --git a/app/routes.py b/app/routes.py
index 21dfa3a..7f42ab2 100644
--- a/app/routes.py
+++ b/app/routes.py
@@ -662,10 +662,10 @@ def register_routes(app: Flask) -> None:
             ticket = str(data.get("ticket") or "").strip()
             symbol = (data.get("symbol") or "XAUUSD").upper()
             side = (data.get("side") or "").lower()
-            volume = float(data.get("volume") or 0)
-            open_price = float(data.get("open_price") or 0)
+            volume = round(float(data.get("volume") or 0), 4)
+            open_price = round(float(data.get("open_price") or 0), 3)
             close_price = (
-                float(data.get("close_price") or 0)
+                round(float(data.get("close_price") or 0), 3)
                 if data.get("close_price") is not None
                 else None
             )
@@ -674,9 +674,23 @@ def register_routes(app: Flask) -> None:
             if data.get("profit") is None:
                 profit = None
             else:
-                profit = float(data.get("profit") or 0)
+                profit = round(float(data.get("profit") or 0), 2)
             sl = data.get("sl")
             tp = data.get("tp")
+            if sl is not None and sl != "":
+                try:
+                    sl = round(float(sl), 3)
+                except (TypeError, ValueError):
+                    sl = None
+            else:
+                sl = None
+            if tp is not None and tp != "":
+                try:
+                    tp = round(float(tp), 3)
+                except (TypeError, ValueError):
+                    tp = None
+            else:
+                tp = None
             entry_style = (data.get("entry_style") or "").strip()
             review_note = (data.get("review_note") or "").strip()
             snap_json = json.dumps(snapshot, ensure_ascii=False)
diff --git a/app/templates/record_detail.html b/app/templates/record_detail.html
index 057e4e6..a08a400 100644
--- a/app/templates/record_detail.html
+++ b/app/templates/record_detail.html
@@ -11,13 +11,13 @@
       <tr><th>账户</th><td>{{ trade.account_name or '—' }}</td></tr>
       <tr><th>机器</th><td>{{ trade.machine_name or '—' }}</td></tr>
       <tr><th>手数</th><td>{{ trade.volume }}</td></tr>
-      <tr><th>开仓价</th><td>{{ trade.open_price }}</td></tr>
-      <tr><th>平仓价</th><td>{{ trade.close_price if trade.close_price is not none else '—' }}</td></tr>
+      <tr><th>开仓价</th><td>{{ trade.open_price|fmt_price }}</td></tr>
+      <tr><th>平仓价</th><td>{{ trade.close_price|fmt_price }}</td></tr>
       <tr><th>开仓时间</th><td>{{ trade.open_time_fmt }} <span class="muted">北京时间</span></td></tr>
       <tr><th>平仓时间</th><td>{{ trade.close_time_fmt }} <span class="muted">北京时间</span></td></tr>
       <tr><th>持仓时间</th><td style="font-weight:700;color:var(--accent)">{{ trade.hold_duration }}</td></tr>
-      <tr><th>盈亏</th><td>{{ trade.profit }}</td></tr>
-      <tr><th>SL / TP</th><td>{{ trade.sl }} / {{ trade.tp }}</td></tr>
+      <tr><th>盈亏</th><td>{{ trade.profit|fmt_money }}</td></tr>
+      <tr><th>SL / TP</th><td>{{ trade.sl|fmt_price }} / {{ trade.tp|fmt_price }}</td></tr>
       <tr><th>单号</th><td>{{ trade.ticket or '—' }}</td></tr>
     </table>
   </div>
diff --git a/app/templates/records.html b/app/templates/records.html
index 3961620..7313886 100644
--- a/app/templates/records.html
+++ b/app/templates/records.html
@@ -56,10 +56,10 @@
         <td>{{ t.symbol }}</td>
         <td><span class="tag {% if t.side=='buy' %}green{% else %}red{% endif %}">{{ t.side }}</span></td>
         <td>{{ t.volume }}</td>
-        <td>{{ t.open_price }}</td>
-        <td>{{ t.close_price if t.close_price is not none else '—' }}</td>
+        <td>{{ t.open_price|fmt_price }}</td>
+        <td>{{ t.close_price|fmt_price }}</td>
         <td style="color:{% if t.profit and t.profit>0 %}var(--green){% elif t.profit and t.profit<0 %}var(--red){% else %}inherit{% endif %}">
-          {{ t.profit if t.profit is not none else '—' }}
+          {{ t.profit|fmt_money }}
         </td>
         <td class="muted" style="white-space:nowrap">{{ t.open_time_fmt }}</td>
         <td class="muted" style="white-space:nowrap">{{ t.close_time_fmt }}</td>