From 25d7216534b482a706406851dc041fe9c6937ae2 Mon Sep 17 00:00:00 2001
From: zhangyan <lenovo@example.com>
Date: Mon, 15 Jun 2026 17:34:48 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=89=80=E6=9C=89=E4=B8=9A=E5=8A=A1?=
 =?UTF-8?q?=E9=A1=B5=E9=9D=A2=E6=B7=BB=E5=8A=A0=E8=BF=94=E5=9B=9E=E6=8C=89?=
 =?UTF-8?q?=E9=92=AE=EF=BC=8C=E5=AE=9E=E7=8E=B0=E4=BB=8E=E5=93=AA=E6=9D=A5?=
 =?UTF-8?q?=E5=9B=9E=E5=93=AA=E5=8E=BB?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- 营养秤：开餐、餐品展示、取餐(单屏/双屏)、设置、采样、采样历史
- 验收秤：验收操作、设置、验收历史、食材采样、采样历史
- 加工毛菜秤：清洗任务、来料过秤、称重、清洗、净菜过秤、操作记录、设置
- 配比秤：打包任务、称重打包、打包记录、设置
- 净菜配比秤：切割任务、称重、切割、历史记录、设置

返回逻辑：优先 URL 参数 referer → document.referrer → index.html

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 .../01-meal-start.html                        | 20 ++++++++++++++++-
 .../02-dish-display.html                      | 20 ++++++++++++++++-
 .../03-meal-pickup-dual-large.html            | 21 ++++++++++++++++++
 .../03-meal-pickup-dual-small.html            | 21 ++++++++++++++++++
 .../03-meal-pickup.html                       | 22 +++++++++++++++++++
 .../canteen-nutrition-scale/04-settings.html  | 20 ++++++++++++++++-
 .../05-dish-sampling.html                     | 20 ++++++++++++++++-
 .../06-sampling-history.html                  | 20 ++++++++++++++++-
 .../01-cutting-tasks.html                     | 20 ++++++++++++++++-
 .../clean-veg-ratio-scale/02-weighing.html    | 20 ++++++++++++++++-
 .../clean-veg-ratio-scale/03-cutting.html     | 20 ++++++++++++++++-
 .../clean-veg-ratio-scale/04-history.html     | 20 ++++++++++++++++-
 .../clean-veg-ratio-scale/05-settings.html    | 20 ++++++++++++++++-
 .../ratio-scale/01-packing-tasks.html         | 20 ++++++++++++++++-
 .../ratio-scale/02-weighing-packing.html      | 20 ++++++++++++++++-
 .../ratio-scale/03-history.html               | 20 ++++++++++++++++-
 .../ratio-scale/04-settings.html              | 20 ++++++++++++++++-
 .../01-verify-inspection.html                 | 20 ++++++++++++++++-
 .../raw-veg-inspection-scale/02-settings.html | 20 ++++++++++++++++-
 .../03-verify-history.html                    | 20 ++++++++++++++++-
 .../04-ingredient-sampling.html               | 20 ++++++++++++++++-
 .../05-sampling-history.html                  | 20 ++++++++++++++++-
 .../01-washing-tasks.html                     | 20 ++++++++++++++++-
 .../02-batch-weighing.html                    | 20 ++++++++++++++++-
 .../raw-veg-processing-scale/02-weighing.html | 20 ++++++++++++++++-
 .../03-batch-washing.html                     | 20 ++++++++++++++++-
 .../raw-veg-processing-scale/03-washing.html  | 20 ++++++++++++++++-
 .../raw-veg-processing-scale/04-history.html  | 20 ++++++++++++++++-
 .../raw-veg-processing-scale/05-settings.html | 20 ++++++++++++++++-
 29 files changed, 558 insertions(+), 26 deletions(-)

diff --git a/other-module/canteen-device/canteen-nutrition-scale/01-meal-start.html b/other-module/canteen-device/canteen-nutrition-scale/01-meal-start.html
index 0fc2f29..e49d0c9 100644
--- a/other-module/canteen-device/canteen-nutrition-scale/01-meal-start.html
+++ b/other-module/canteen-device/canteen-nutrition-scale/01-meal-start.html
@@ -439,7 +439,8 @@
 
   <!-- 顶部导航 -->
   <div class="top-bar">
-    <span class="page-title">开餐界面</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="page-title">开餐界面</span>
     <a class="settings-btn" href="04-settings.html" title="设置">&#x2699;</a>
   </div>
 
@@ -941,5 +942,22 @@
     /* 启动 */
     init();
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/canteen-nutrition-scale/02-dish-display.html b/other-module/canteen-device/canteen-nutrition-scale/02-dish-display.html
index 5f302e7..1eba127 100644
--- a/other-module/canteen-device/canteen-nutrition-scale/02-dish-display.html
+++ b/other-module/canteen-device/canteen-nutrition-scale/02-dish-display.html
@@ -181,7 +181,8 @@
   <div class="device-frame">
   <!-- 顶部窗口栏 -->
   <div class="top-bar">
-    <span>Phone-192.168.1.165:5555</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span>Phone-192.168.1.165:5555</span>
   </div>
 
   <!-- 设置按钮 -->
@@ -311,5 +312,22 @@
       window.location.href = '04-settings.html';
     });
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/canteen-nutrition-scale/03-meal-pickup-dual-large.html b/other-module/canteen-device/canteen-nutrition-scale/03-meal-pickup-dual-large.html
index e80449e..d3641d1 100644
--- a/other-module/canteen-device/canteen-nutrition-scale/03-meal-pickup-dual-large.html
+++ b/other-module/canteen-device/canteen-nutrition-scale/03-meal-pickup-dual-large.html
@@ -215,6 +215,10 @@
 </head>
 <body>
   <div class="device-frame">
+  <!-- 返回按钮 -->
+  <div style="position:absolute;top:12px;left:16px;z-index:10;">
+    <a class="back-btn" id="backBtn" href="javascript:void(0)" style="font-size:14px;color:rgba(255,255,255,0.7);text-decoration:none;cursor:pointer;">&#x25C0; 返回</a>
+  </div>
   <div class="toast" id="toast"></div>
   <div class="main-area">
     <!-- 用户信息 -->
@@ -302,6 +306,23 @@
       '</svg>';
     }
     document.getElementById('dishImg').innerHTML = dishFoodSVG(120, 90, ['#C87030', '#E8A040', '#D08028']);
+  
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
   </script>
 </body>
 </html>
diff --git a/other-module/canteen-device/canteen-nutrition-scale/03-meal-pickup-dual-small.html b/other-module/canteen-device/canteen-nutrition-scale/03-meal-pickup-dual-small.html
index 40fef8d..095e018 100644
--- a/other-module/canteen-device/canteen-nutrition-scale/03-meal-pickup-dual-small.html
+++ b/other-module/canteen-device/canteen-nutrition-scale/03-meal-pickup-dual-small.html
@@ -86,6 +86,10 @@
 </head>
 <body>
   <div class="screen-frame">
+    <!-- 返回按钮 -->
+    <div style="position:absolute;top:12px;left:16px;z-index:10;">
+      <a class="back-btn" id="backBtn" href="javascript:void(0)" style="font-size:14px;color:rgba(255,255,255,0.7);text-decoration:none;cursor:pointer;">&#x25C0; 返回</a>
+    </div>
     <div class="header">
       <span class="n-title">&#x1F4CA; &#x672C;&#x9910;&#x6B21;&#x6444;&#x5165;</span>
       <span>
@@ -172,5 +176,22 @@
       </div>
     </div>
   </div>
+<script>
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+</script>
 </body>
 </html>
diff --git a/other-module/canteen-device/canteen-nutrition-scale/03-meal-pickup.html b/other-module/canteen-device/canteen-nutrition-scale/03-meal-pickup.html
index 6ba17e2..72ab79b 100644
--- a/other-module/canteen-device/canteen-nutrition-scale/03-meal-pickup.html
+++ b/other-module/canteen-device/canteen-nutrition-scale/03-meal-pickup.html
@@ -305,6 +305,11 @@
 
   <div class="device-frame">
 
+  <!-- 返回按钮 -->
+  <div style="position:absolute;top:12px;left:16px;z-index:10;">
+    <a class="back-btn" id="backBtn" href="javascript:void(0)" style="font-size:14px;color:rgba(255,255,255,0.7);text-decoration:none;cursor:pointer;">&#x25C0; 返回</a>
+  </div>
+
   <!-- Toast 提示 -->
   <div class="toast" id="toast"></div>
 
@@ -538,6 +543,23 @@
     }
     // 宫保鸡丁：暖橙金
     document.getElementById('dishEmoji').innerHTML = dishFoodSVG(48, 48, ['#C87030', '#E8A040', '#D08028']);
+  
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
   </script>
 </body>
 </html>
diff --git a/other-module/canteen-device/canteen-nutrition-scale/04-settings.html b/other-module/canteen-device/canteen-nutrition-scale/04-settings.html
index a7dce97..0f5a352 100644
--- a/other-module/canteen-device/canteen-nutrition-scale/04-settings.html
+++ b/other-module/canteen-device/canteen-nutrition-scale/04-settings.html
@@ -263,7 +263,8 @@
   <div class="device-frame">
   <!-- 顶部导航 -->
   <div class="top-bar">
-    <span class="top-bar__title">设置</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="top-bar__title">设置</span>
   </div>
 
   <!-- 主内容 -->
@@ -521,5 +522,22 @@
       if (e.target === spoonTareModal) closeSpoonTareModal();
     });
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
\ No newline at end of file
diff --git a/other-module/canteen-device/canteen-nutrition-scale/05-dish-sampling.html b/other-module/canteen-device/canteen-nutrition-scale/05-dish-sampling.html
index 0e2c429..37332b3 100644
--- a/other-module/canteen-device/canteen-nutrition-scale/05-dish-sampling.html
+++ b/other-module/canteen-device/canteen-nutrition-scale/05-dish-sampling.html
@@ -189,7 +189,8 @@ body {
 
 <!-- 顶部导航 -->
 <div class="top-bar">
-  <span class="top-bar__title">&#x9910;&#x54C1;&#x91C7;&#x6837;</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>  <span class="top-bar__title">&#x9910;&#x54C1;&#x91C7;&#x6837;</span>
 </div>
 
 <div class="main-content">
@@ -672,5 +673,22 @@ function bindEvents() {
 /* 启动 */
 init();
 </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/canteen-nutrition-scale/06-sampling-history.html b/other-module/canteen-device/canteen-nutrition-scale/06-sampling-history.html
index 8d50610..d29890e 100644
--- a/other-module/canteen-device/canteen-nutrition-scale/06-sampling-history.html
+++ b/other-module/canteen-device/canteen-nutrition-scale/06-sampling-history.html
@@ -230,7 +230,8 @@ body {
 
 <!-- 顶部导航 -->
 <div class="top-bar">
-  <span class="top-bar__title">&#x91C7;&#x6837;&#x5386;&#x53F2;</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>  <span class="top-bar__title">&#x91C7;&#x6837;&#x5386;&#x53F2;</span>
   <span></span>
 </div>
 
@@ -559,5 +560,22 @@ function resampleDish() {
 /* ===== 初始化 ===== */
 renderWaterfall();
 </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/clean-veg-ratio-scale/01-cutting-tasks.html b/other-module/canteen-device/clean-veg-ratio-scale/01-cutting-tasks.html
index 3b6f392..2d910b0 100644
--- a/other-module/canteen-device/clean-veg-ratio-scale/01-cutting-tasks.html
+++ b/other-module/canteen-device/clean-veg-ratio-scale/01-cutting-tasks.html
@@ -177,7 +177,8 @@
 </head>
 <body>
   <div class="top-bar">
-    <span class="top-bar__title">今日切配任务</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="top-bar__title">今日切配任务</span>
     <span class="top-bar__user" id="topUser">--</span>
   </div>
   <div class="main-content">
@@ -596,5 +597,22 @@
       el._timer = setTimeout(function() { el.classList.remove('show'); }, duration || 2000);
     }
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/clean-veg-ratio-scale/02-weighing.html b/other-module/canteen-device/clean-veg-ratio-scale/02-weighing.html
index 1c08ee2..b541277 100644
--- a/other-module/canteen-device/clean-veg-ratio-scale/02-weighing.html
+++ b/other-module/canteen-device/clean-veg-ratio-scale/02-weighing.html
@@ -91,7 +91,8 @@
 </head>
 <body>
   <div class="top-bar">
-    <span class="top-bar__title">称重录入</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="top-bar__title">称重录入</span>
     <span class="top-bar__user" id="topUser">--</span>
   </div>
   <div class="main-content">
@@ -352,5 +353,22 @@
 
     init();
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/clean-veg-ratio-scale/03-cutting.html b/other-module/canteen-device/clean-veg-ratio-scale/03-cutting.html
index 838228d..5fd174e 100644
--- a/other-module/canteen-device/clean-veg-ratio-scale/03-cutting.html
+++ b/other-module/canteen-device/clean-veg-ratio-scale/03-cutting.html
@@ -86,7 +86,8 @@
 </head>
 <body>
   <div class="top-bar">
-    <span class="top-bar__title">切配操作</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="top-bar__title">切配操作</span>
     <span class="top-bar__user" id="topUser">--</span>
   </div>
   <div class="main-content">
@@ -311,5 +312,22 @@
       el._timer = setTimeout(function() { el.classList.remove('show'); }, duration || 2000);
     }
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/clean-veg-ratio-scale/04-history.html b/other-module/canteen-device/clean-veg-ratio-scale/04-history.html
index 23e52a4..dc9dca0 100644
--- a/other-module/canteen-device/clean-veg-ratio-scale/04-history.html
+++ b/other-module/canteen-device/clean-veg-ratio-scale/04-history.html
@@ -70,7 +70,8 @@
 </head>
 <body>
   <div class="top-bar">
-    <span class="top-bar__title">切配记录</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="top-bar__title">切配记录</span>
     <span class="top-bar__user" id="topUser">--</span>
   </div>
   <div class="main-content">
@@ -246,5 +247,22 @@
     var userName = getUrlParam('user');
     if (userName) document.getElementById('topUser').textContent = '操作员: ' + userName;
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/clean-veg-ratio-scale/05-settings.html b/other-module/canteen-device/clean-veg-ratio-scale/05-settings.html
index 3ea8285..92aac64 100644
--- a/other-module/canteen-device/clean-veg-ratio-scale/05-settings.html
+++ b/other-module/canteen-device/clean-veg-ratio-scale/05-settings.html
@@ -53,7 +53,8 @@
 </head>
 <body>
   <div class="top-bar">
-    <span class="top-bar__title">设备设置</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="top-bar__title">设备设置</span>
     <span class="top-bar__user" id="topUser">--</span>
   </div>
   <div class="main-content">
@@ -168,5 +169,22 @@
       el._timer = setTimeout(function() { el.classList.remove('show'); }, duration || 2000);
     }
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/ratio-scale/01-packing-tasks.html b/other-module/canteen-device/ratio-scale/01-packing-tasks.html
index 2b6fc55..e469a5e 100644
--- a/other-module/canteen-device/ratio-scale/01-packing-tasks.html
+++ b/other-module/canteen-device/ratio-scale/01-packing-tasks.html
@@ -143,7 +143,8 @@
 </head>
 <body>
   <div class="top-bar">
-    <span class="top-bar__title">今日打包任务</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="top-bar__title">今日打包任务</span>
     <span class="top-bar__user" id="topUser">--</span>
   </div>
   <div class="main-content">
@@ -599,5 +600,22 @@
       el._timer = setTimeout(function() { el.classList.remove('show'); }, duration || 2000);
     }
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/ratio-scale/02-weighing-packing.html b/other-module/canteen-device/ratio-scale/02-weighing-packing.html
index 139c8c6..96b85ae 100644
--- a/other-module/canteen-device/ratio-scale/02-weighing-packing.html
+++ b/other-module/canteen-device/ratio-scale/02-weighing-packing.html
@@ -109,7 +109,8 @@
 </head>
 <body>
   <div class="top-bar">
-    <span class="top-bar__title">称重打包</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="top-bar__title">称重打包</span>
     <span class="top-bar__user" id="topUser">--</span>
   </div>
   <div class="main-content">
@@ -405,5 +406,22 @@
 
     init();
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/ratio-scale/03-history.html b/other-module/canteen-device/ratio-scale/03-history.html
index 398f5ac..e197f45 100644
--- a/other-module/canteen-device/ratio-scale/03-history.html
+++ b/other-module/canteen-device/ratio-scale/03-history.html
@@ -66,7 +66,8 @@
 </head>
 <body>
   <div class="top-bar">
-    <span class="top-bar__title">打包记录</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="top-bar__title">打包记录</span>
     <span class="top-bar__user" id="topUser">--</span>
   </div>
   <div class="main-content">
@@ -236,5 +237,22 @@
     var userName = getUrlParam('user');
     if (userName) document.getElementById('topUser').textContent = '操作员: ' + userName;
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/ratio-scale/04-settings.html b/other-module/canteen-device/ratio-scale/04-settings.html
index a53df34..0920e5a 100644
--- a/other-module/canteen-device/ratio-scale/04-settings.html
+++ b/other-module/canteen-device/ratio-scale/04-settings.html
@@ -52,7 +52,8 @@
 </head>
 <body>
   <div class="top-bar">
-    <span class="top-bar__title">设备设置</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="top-bar__title">设备设置</span>
     <span class="top-bar__user" id="topUser">--</span>
   </div>
   <div class="main-content">
@@ -167,5 +168,22 @@
       el._timer = setTimeout(function() { el.classList.remove('show'); }, duration || 2000);
     }
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/raw-veg-inspection-scale/01-verify-inspection.html b/other-module/canteen-device/raw-veg-inspection-scale/01-verify-inspection.html
index 4ad651d..1fd3f22 100644
--- a/other-module/canteen-device/raw-veg-inspection-scale/01-verify-inspection.html
+++ b/other-module/canteen-device/raw-veg-inspection-scale/01-verify-inspection.html
@@ -716,7 +716,8 @@
 
   <!-- 顶部导航（含称重读数） -->
   <div class="top-bar">
-    <span class="page-title">食材验收识别屏</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="page-title">食材验收识别屏</span>
     <div class="user-info">
       <div class="avatar" id="userAvatar">张</div>
       <span id="userName">张三</span>
@@ -2608,5 +2609,22 @@
 
     init();
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/raw-veg-inspection-scale/02-settings.html b/other-module/canteen-device/raw-veg-inspection-scale/02-settings.html
index 7b7d64a..144f64f 100644
--- a/other-module/canteen-device/raw-veg-inspection-scale/02-settings.html
+++ b/other-module/canteen-device/raw-veg-inspection-scale/02-settings.html
@@ -102,7 +102,8 @@
 <body>
 
   <div class="top-bar">
-    <span class="page-title">&#x8BBE;&#x7F6E;</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="page-title">&#x8BBE;&#x7F6E;</span>
     <button class="logout-btn" onclick="handleLogout()">退出</button>
   </div>
 
@@ -198,5 +199,22 @@
       el._timer = setTimeout(function() { el.classList.remove('show'); }, duration || 2000);
     }
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/raw-veg-inspection-scale/03-verify-history.html b/other-module/canteen-device/raw-veg-inspection-scale/03-verify-history.html
index b5e2460..9c9913b 100644
--- a/other-module/canteen-device/raw-veg-inspection-scale/03-verify-history.html
+++ b/other-module/canteen-device/raw-veg-inspection-scale/03-verify-history.html
@@ -226,7 +226,8 @@
 <body>
 
   <div class="top-bar">
-    <span class="page-title">验收记录</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="page-title">验收记录</span>
     <button class="logout-btn" onclick="handleLogout()">退出</button>
   </div>
 
@@ -684,5 +685,22 @@
 
     init();
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/raw-veg-inspection-scale/04-ingredient-sampling.html b/other-module/canteen-device/raw-veg-inspection-scale/04-ingredient-sampling.html
index d26a1c0..f66ed52 100644
--- a/other-module/canteen-device/raw-veg-inspection-scale/04-ingredient-sampling.html
+++ b/other-module/canteen-device/raw-veg-inspection-scale/04-ingredient-sampling.html
@@ -246,7 +246,8 @@ body {
 
 <!-- 顶部导航 -->
 <div class="top-bar">
-  <span class="top-bar__title">食材采样</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>  <span class="top-bar__title">食材采样</span>
   <button class="logout-btn" onclick="handleLogout()">退出</button>
 </div>
 
@@ -678,5 +679,22 @@ function bindEvents() {
 /* 启动 */
 init();
 </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/raw-veg-inspection-scale/05-sampling-history.html b/other-module/canteen-device/raw-veg-inspection-scale/05-sampling-history.html
index 880e363..f8756e8 100644
--- a/other-module/canteen-device/raw-veg-inspection-scale/05-sampling-history.html
+++ b/other-module/canteen-device/raw-veg-inspection-scale/05-sampling-history.html
@@ -193,7 +193,8 @@ body {
 
 <!-- 顶部导航 -->
 <div class="top-bar">
-  <span class="top-bar__title">采样历史</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>  <span class="top-bar__title">采样历史</span>
   <button class="logout-btn" onclick="handleLogout()">退出</button>
 </div>
 
@@ -515,5 +516,22 @@ searchInputEl.addEventListener('input', function() {
 /* ===== 初始化 ===== */
 renderWaterfall();
 </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/raw-veg-processing-scale/01-washing-tasks.html b/other-module/canteen-device/raw-veg-processing-scale/01-washing-tasks.html
index d72f959..294d65f 100644
--- a/other-module/canteen-device/raw-veg-processing-scale/01-washing-tasks.html
+++ b/other-module/canteen-device/raw-veg-processing-scale/01-washing-tasks.html
@@ -227,7 +227,8 @@
 <body>
 
   <div class="top-bar">
-    <span class="top-bar__title">今日清洗任务</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="top-bar__title">今日清洗任务</span>
     <span class="top-bar__user" id="topUser">--</span>
     <button class="logout-btn" onclick="handleLogout()">退出登录</button>
   </div>
@@ -454,5 +455,22 @@
       document.getElementById('pendingCount').textContent = '3';
     }, 15000);
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/raw-veg-processing-scale/02-batch-weighing.html b/other-module/canteen-device/raw-veg-processing-scale/02-batch-weighing.html
index cb5591b..002f37e 100644
--- a/other-module/canteen-device/raw-veg-processing-scale/02-batch-weighing.html
+++ b/other-module/canteen-device/raw-veg-processing-scale/02-batch-weighing.html
@@ -313,7 +313,8 @@
 <body>
 
   <div class="top-bar">
-    <span class="top-bar__title">来料过秤（清洗前）</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="top-bar__title">来料过秤（清洗前）</span>
     <span class="top-bar__user" id="topUser">--</span>
     <button class="logout-btn" onclick="handleLogout()">退出登录</button>
   </div>
@@ -968,5 +969,22 @@
     // 启动后自动开始第一次检测
     setTimeout(startDetection, 1500);
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/raw-veg-processing-scale/02-weighing.html b/other-module/canteen-device/raw-veg-processing-scale/02-weighing.html
index 37ab6fd..fad26c9 100644
--- a/other-module/canteen-device/raw-veg-processing-scale/02-weighing.html
+++ b/other-module/canteen-device/raw-veg-processing-scale/02-weighing.html
@@ -253,7 +253,8 @@
 <body>
 
   <div class="top-bar">
-    <span class="top-bar__title">称重录入</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="top-bar__title">称重录入</span>
     <span class="top-bar__user" id="topUser">--</span>
   </div>
 
@@ -582,5 +583,22 @@
 
     init();
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/raw-veg-processing-scale/03-batch-washing.html b/other-module/canteen-device/raw-veg-processing-scale/03-batch-washing.html
index 80e6b77..f4880cd 100644
--- a/other-module/canteen-device/raw-veg-processing-scale/03-batch-washing.html
+++ b/other-module/canteen-device/raw-veg-processing-scale/03-batch-washing.html
@@ -272,7 +272,8 @@
 <body>
 
   <div class="top-bar">
-    <span class="top-bar__title">净菜过秤（清洗后）</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="top-bar__title">净菜过秤（清洗后）</span>
     <span class="top-bar__user" id="topUser">--</span>
   </div>
 
@@ -720,5 +721,22 @@
     // 启动后自动开始第一次检测
     setTimeout(startDetection, 1500);
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/raw-veg-processing-scale/03-washing.html b/other-module/canteen-device/raw-veg-processing-scale/03-washing.html
index e9f4f89..77c5224 100644
--- a/other-module/canteen-device/raw-veg-processing-scale/03-washing.html
+++ b/other-module/canteen-device/raw-veg-processing-scale/03-washing.html
@@ -251,7 +251,8 @@
 <body>
 
   <div class="top-bar">
-    <span class="top-bar__title">清洗操作</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="top-bar__title">清洗操作</span>
     <span class="top-bar__user" id="topUser">--</span>
   </div>
 
@@ -516,5 +517,22 @@
       el._timer = setTimeout(function() { el.classList.remove('show'); }, duration || 2000);
     }
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/raw-veg-processing-scale/04-history.html b/other-module/canteen-device/raw-veg-processing-scale/04-history.html
index cbe99b0..1353ff1 100644
--- a/other-module/canteen-device/raw-veg-processing-scale/04-history.html
+++ b/other-module/canteen-device/raw-veg-processing-scale/04-history.html
@@ -171,7 +171,8 @@
 <body>
 
   <div class="top-bar">
-    <span class="top-bar__title">操作记录</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="top-bar__title">操作记录</span>
     <span class="top-bar__user" id="topUser">--</span>
     <button class="logout-btn" onclick="handleLogout()">退出登录</button>
   </div>
@@ -481,5 +482,22 @@
       el._timer = setTimeout(function() { el.classList.remove('show'); }, duration || 2000);
     }
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>
diff --git a/other-module/canteen-device/raw-veg-processing-scale/05-settings.html b/other-module/canteen-device/raw-veg-processing-scale/05-settings.html
index c636edd..a55e3be 100644
--- a/other-module/canteen-device/raw-veg-processing-scale/05-settings.html
+++ b/other-module/canteen-device/raw-veg-processing-scale/05-settings.html
@@ -102,7 +102,8 @@
 <body>
 
   <div class="top-bar">
-    <span class="top-bar__title">设备设置</span>
+
+    <a class="back-btn" id="backBtn" href="javascript:void(0)">&#x25C0; 返回</a>    <span class="top-bar__title">设备设置</span>
     <span class="top-bar__user" id="topUser">--</span>
     <button class="logout-btn" onclick="handleLogout()">退出登录</button>
   </div>
@@ -221,5 +222,22 @@
       window.location.href = '00-welcome.html';
     }
   </script>
+
+/* 返回按钮：从哪来回哪去 */
+(function() {
+  var backBtn = document.getElementById('backBtn');
+  if (backBtn) {
+    var params = new URLSearchParams(window.location.search);
+    var referer = params.get('referer');
+    if (referer) {
+      backBtn.href = referer;
+    } else if (document.referrer && document.referrer.indexOf(window.location.hostname) !== -1) {
+      backBtn.href = document.referrer;
+    } else {
+      backBtn.href = 'index.html';
+    }
+  }
+})();
+
 </body>
 </html>