diff --git a/src/layout/components/AppMain.vue b/src/layout/components/AppMain.vue
index 2839caa..224a258 100644
--- a/src/layout/components/AppMain.vue
+++ b/src/layout/components/AppMain.vue
@@ -53,10 +53,13 @@ export default {
   overflow: hidden;
   
   @media (max-width: 768px) {
-    min-height: calc(100vh - 48px);
+    min-height: calc(100vh - 48px - 60px); // 减去头部和底部导航
     overflow-x: hidden;
-    overflow-y: auto;
+    overflow-y: visible;
     -webkit-overflow-scrolling: touch;
+    height: auto;
+    max-height: none;
+    position: static;
   }
 }
 
diff --git a/src/layout/index.vue b/src/layout/index.vue
index d74ed00..af4a49e 100644
--- a/src/layout/index.vue
+++ b/src/layout/index.vue
@@ -87,6 +87,18 @@ export default {
       position: fixed;
       top: 0;
     }
+    
+    @media (max-width: 768px) {
+      &.mobile {
+        height: auto;
+        min-height: 100vh;
+        position: relative;
+        
+        &.openSidebar {
+          position: relative;
+        }
+      }
+    }
   }
 
   .drawer-bg {
@@ -136,6 +148,9 @@ export default {
       .main-container {
         margin-left: 0 !important;
         width: 100%;
+        height: auto !important;
+        min-height: 100vh;
+        overflow: visible;
         
         &.mobile-layout {
           padding-bottom: 60px; // 为底部导航预留空间
diff --git a/src/views/system/jd-instruction/index.vue b/src/views/system/jd-instruction/index.vue
index 6d1d391..89b6118 100644
--- a/src/views/system/jd-instruction/index.vue
+++ b/src/views/system/jd-instruction/index.vue
@@ -197,6 +197,16 @@ export default {
     fullMessage() {
       if (!this.resultList || this.resultList.length === 0) return ''
       return this.resultList.join('\n\n\n')
+    },
+    // 检测移动端
+    isMobile() {
+      if (this.$store?.getters?.device === 'mobile') {
+        return true
+      }
+      if (typeof window !== 'undefined' && window.innerWidth < 768) {
+        return true
+      }
+      return false
     }
   },
   mounted() {