diff --git a/rc_autoplc_front/src/assets/image/plc.jpg b/rc_autoplc_front/src/assets/image/plc.jpg
new file mode 100644
index 0000000..ac88816
Binary files /dev/null and b/rc_autoplc_front/src/assets/image/plc.jpg differ
diff --git a/rc_autoplc_front/src/views/stepinfo/index.vue b/rc_autoplc_front/src/views/stepinfo/index.vue
index 0403558..1af6443 100644
--- a/rc_autoplc_front/src/views/stepinfo/index.vue
+++ b/rc_autoplc_front/src/views/stepinfo/index.vue
@@ -374,6 +374,7 @@ const chineseNumbers = ['一', '二', '三', '四', '五', '六', '七', '八',
 // 功能岛描述映射
 const islandDescriptions: Record<string, string> = {
   加液: '加液',
+  加样: '加液',
   水浴: '水浴',
   恒温: '水浴',
   震荡: '震荡',
@@ -385,6 +386,21 @@ const islandDescriptions: Record<string, string> = {
   过膜: '过膜',
   过滤: '过膜',
   人工: '人工加液',
+  涡旋: '涡旋',
+  进样: '进样',
+  分液: '分液',
+  浓缩: '浓缩',
+  移上清: '移上清',
+  取液: '取液',
+  金属浴: '金属浴',
+  金属: '金属浴',
+  干燥: '干燥',
+  硫酸钠: '干燥',
+  温室: '温室',
+  静置: '温室',
+  ph: 'ph',
+  酸碱: 'ph',
+  出样: '出样',
 }
 
 // 功能岛添加次数限制映射（根据描述关键词）
@@ -399,6 +415,17 @@ const islandLimitMap: Record<string, number> = {
   氮吹: 3,
   过膜: 10,
   人工加液: 10,
+  涡旋: 10,
+  进样: 10,
+  分液: 10,
+  浓缩: 10,
+  移上清: 10,
+  取液: 10,
+  金属浴: 3,
+  干燥: 10,
+  温室: 10,
+  ph: 10,
+  出样: 10,
 }
 
 // 获取功能岛的最大添加次数
@@ -647,20 +674,17 @@ const handleDrop = (event: DragEvent) => {
       return
     }
     
-    const descriptionKey = getIslandDescriptionKey(dragItemData.islandName || dragItemData.name)
-    const count = workflowItems.value.filter((item) => {
-      const key = getIslandDescriptionKey(item.islandName || item.name)
-      return key === descriptionKey
-    }).length
-
     const newItem = {
       ...dragItemData,
-      description: `第${chineseNumbers[count]}次${descriptionKey}`,
+      description: '', // 临时描述，后续统一更新
       sort: 0,
       instanceId: generateInstanceId(dragItemData.id),
     }
 
     workflowItems.value.push(newItem)
+    // 统一更新所有功能岛的描述
+    updateIslandDescriptions()
+    
     dragItemData = null
     isExternalDrag.value = false
   }
@@ -697,16 +721,10 @@ const handleContainerDrop = (event: DragEvent) => {
       return
     }
     
-    const descriptionKey = getIslandDescriptionKey(dragItemData.islandName || dragItemData.name)
-    const count = workflowItems.value.filter((item) => {
-      const key = getIslandDescriptionKey(item.islandName || item.name)
-      return key === descriptionKey
-    }).length
-
     dragItemData = {
       ...dragItemData,
-      description: `第${chineseNumbers[count]}次${descriptionKey}`,
-      sort: count,
+      description: '', // 临时描述，后续统一更新
+      sort: 0,
       instanceId: generateInstanceId(dragItemData.id),
     }
 
@@ -732,6 +750,7 @@ const handleContainerDrop = (event: DragEvent) => {
     selectedItemIndex.value = insertIndex
 
     // 优化：使用 Map 减少嵌套循环，从 O(n²) 降到 O(n)
+    // 统一更新所有功能岛的描述
     updateIslandDescriptions()
   }
 
@@ -1092,19 +1111,8 @@ const handleDelete = (index: number, item: any) => {
         selectedItemIndex.value--
       }
 
-      // 更新描述
-      workflowItems.value.forEach((item, i) => {
-        const key = getIslandDescriptionKey(item.islandName || item.name)
-        const sameItems = workflowItems.value.filter((it) => {
-          const k = getIslandDescriptionKey(it.islandName || it.name)
-          return k === key
-        })
-        const index = sameItems.findIndex((it) => it === item)
-        if (index !== -1) {
-          item.description = `第${chineseNumbers[index]}次${key}`
-          item.sort = index
-        }
-      })
+      // 统一更新所有功能岛的描述
+      updateIslandDescriptions()
 
       ElMessage.success('删除成功')
     })