diff --git a/ui/src/workflow-canvas/config/node-data.ts b/ui/src/workflow-canvas/config/node-data.ts
index 75d3ca8d2d5..36c37390568 100644
--- a/ui/src/workflow-canvas/config/node-data.ts
+++ b/ui/src/workflow-canvas/config/node-data.ts
@@ -276,7 +276,6 @@ export const parameterExtractionNode = {
   properties: { stepName: '参数提取', config: { fields: [{ label: '结果', value: 'result' }] } },
 }
 
-
 /* 知识库检索 */
 export const searchKnowledgeNode = {
   type: WorkflowNodeType.SearchKnowledge,
@@ -344,7 +343,6 @@ export const rerankerNode = {
   },
 }
 
-
 /* MCP 调用 */
 export const mcpNode = {
   type: WorkflowNodeType.McpNode,
@@ -361,7 +359,6 @@ export const toolCustomNode = {
   properties: { stepName: '自定义工具', config: { fields: [{ label: '结果', value: 'result' }] } },
 }
 
-
 /* 智能体节点 */
 export const applicationNode = {
   type: WorkflowNodeType.Application,
@@ -370,57 +367,23 @@ export const applicationNode = {
   properties: { stepName: '智能体节点', config: { fields: [{ label: '结果', value: 'result' }] } },
 }
 
-
 /**
  * 工具配置数据
  */
 export const toolLibNode = {
   type: WorkflowNodeType.ToolLib,
-  text: '通过执行自定义脚本，实现数据处理',
-  label: '自定义工具',
-  height: 170,
-  properties: { stepName: '自定义工具', config: { fields: [{ label: '结果', value: 'result' }] } },
-}
-
-/**
- * 工作流工具配置数据
- */
-export const toolWorkflowLibNode = {
-  type: WorkflowNodeType.ToolWorkflowLib,
-  text: '工作流工具',
-  label: '工作流工具',
-  height: 170,
-  properties: { stepName: '工作流工具', config: { fields: [] } },
+  text: '工具节点',
+  label: '工具节点',
+  properties: { stepName: '工具节点', config: { fields: [{ label: '结果', value: 'result' }] } },
 }
 
-
-
-
-export const loopStartNode = {
-  id: WorkflowNodeType.LoopStartNode,
-  type: WorkflowNodeType.LoopStartNode,
-  x: 480,
-  y: 3340,
-  properties: {
-    height: 364,
-    stepName: '循环开始',
-    config: {
-      fields: [
-        { label: '下标', value: 'index' },
-        { label: '循环元素', value: 'item' },
-      ],
-      globalFields: [],
-    },
-    showNode: true,
-  },
-}
+/* 循环节点 */
 
 export const loopNode = {
   type: WorkflowNodeType.LoopNode,
   visible: false,
   text: '通过设置循环次数和逻辑，重复执行一系列任务',
   label: '循环节点',
-  height: 252,
   properties: {
     stepName: '循环节点',
     workflow: {
@@ -428,10 +391,10 @@ export const loopNode = {
       nodes: [
         {
           x: 480,
-          y: 3340,
+          y: 200,
           id: 'loop-start-node',
           type: 'loop-start-node',
-          properties: { config: { fields: [], globalFields: [] }, fields: [], height: 361.333, showNode: true, stepName: '开始', globalFields: [] },
+          properties: { config: { fields: [], globalFields: [] }, fields: [], showNode: true, stepName: '开始', globalFields: [] },
         },
       ],
     },
@@ -439,11 +402,30 @@ export const loopNode = {
   },
 }
 
+export const loopStartNode = {
+  id: WorkflowNodeType.LoopStartNode,
+  type: WorkflowNodeType.LoopStartNode,
+  x: 480,
+  y: 200,
+  properties: {
+    stepName: '循环开始',
+    config: {
+      fields: [
+        { label: '下标', value: 'index' },
+        { label: '循环元素', value: 'item' },
+      ],
+      globalFields: [],
+    },
+    showNode: true,
+  },
+}
+
 export const loopBodyNode = {
   type: WorkflowNodeType.LoopBodyNode,
   text: '循环体',
   label: '循环体',
   height: 1080,
+
   properties: { width: 1920, stepName: '循环体', config: { fields: [] } },
 }
 
@@ -451,7 +433,6 @@ export const loopContinueNode = {
   type: WorkflowNodeType.LoopContinueNode,
   text: '用于终止当前循环，执行下次循环',
   label: 'Continue',
-  height: 100,
   properties: { width: 600, stepName: 'Continue', config: { fields: [] } },
 }
 
@@ -459,10 +440,19 @@ export const loopBreakNode = {
   type: WorkflowNodeType.LoopBreakNode,
   text: '终止当前循环，跳出循环体',
   label: 'Break',
-  height: 100,
   properties: { width: 600, stepName: 'Break', config: { fields: [] } },
 }
 
+/**
+ * 工作流工具配置数据
+ */
+export const toolWorkflowLibNode = {
+  type: WorkflowNodeType.ToolWorkflowLib,
+  text: '工作流工具',
+  label: '工作流工具',
+  properties: { stepName: '工作流工具', config: { fields: [] } },
+}
+
 /* 文档分段 */
 export const documentSplitNode = {
   type: WorkflowNodeType.DocumentSplitNode,
diff --git a/ui/src/workflow-canvas/core/node-container/index.vue b/ui/src/workflow-canvas/core/node-container/index.vue
index 279c818f1af..17b0ba105ec 100644
--- a/ui/src/workflow-canvas/core/node-container/index.vue
+++ b/ui/src/workflow-canvas/core/node-container/index.vue
@@ -273,16 +273,16 @@ onBeforeUnmount(() => {
     >
       <div>
         <div class="flex-between">
-          <div class="flex items-center" @dragstart.prevent @drag.prevent @dragover.prevent @dragend.prevent>
-            <component :is="iconComponent(`${model.type}-icon`)" class="mr-2" :size="24" :item="model?.properties.node_data" />
+          <div class="flex min-w-0 flex-1 items-center" @dragstart.prevent @drag.prevent @dragover.prevent @dragend.prevent>
+            <component :is="iconComponent(`${model.type}-icon`)" class="mr-2 shrink-0" :size="24" :item="model?.properties.node_data" />
             <h4
-              class="truncate break-all"
+              class="truncate"
               :title="String(model.properties.stepName ?? '')"
               v-html="highlightedStepName(String(model.properties.stepName ?? ''))"
             ></h4>
           </div>
 
-          <div class="flex items-center gap-1" @pointerdown.stop @mousemove.stop @mousedown.stop @keydown.stop @click.stop>
+          <div class="flex shrink-0 items-center gap-1" @pointerdown.stop @mousemove.stop @mousedown.stop @keydown.stop @click.stop>
             <el-button text @click="showNode = !showNode">
               <MkIcon name="icon_down_outlined" />
             </el-button>
diff --git a/ui/src/workflow-canvas/icons/tool-lib-node-icon.vue b/ui/src/workflow-canvas/icons/tool-lib-node-icon.vue
new file mode 100644
index 00000000000..d1dfbe9f80a
--- /dev/null
+++ b/ui/src/workflow-canvas/icons/tool-lib-node-icon.vue
@@ -0,0 +1,23 @@
+<script setup lang="ts">
+import type { ToolType } from '@/api/types'
+
+const props = defineProps<{
+  item?: {
+    name: string
+    icon: string
+    tool_type: ToolType
+    kind?: string
+  }
+  size?: string | number
+}>()
+</script>
+
+<template>
+  <ToolIcon v-if="item?.kind !== 'data-source'" :icon="props.item?.icon" :type="props.item?.tool_type" />
+  <el-avatar v-else-if="item?.kind === 'data-source'" class="bg-purple!" shape="square">
+    <img src="@/assets/tool/icon_datasource.svg" style="width: 58%" alt="" />
+  </el-avatar>
+  <el-avatar v-else class="bg-success!" shape="square" :size="size">
+    <img style="width: 63%" src="@/assets/tool/icon_tool.svg" alt="" />
+  </el-avatar>
+</template>
diff --git a/ui/src/workflow-canvas/nodes/loop-body-node/index.ts b/ui/src/workflow-canvas/nodes/loop-body-node/index.ts
index 366273dc34e..9819a52a3d6 100644
--- a/ui/src/workflow-canvas/nodes/loop-body-node/index.ts
+++ b/ui/src/workflow-canvas/nodes/loop-body-node/index.ts
@@ -8,7 +8,7 @@ class LoopBodyModel extends WorkflowNodeModel {
   loopLayout?: () => void
 
   getDefaultAnchor(): Model.AnchorConfig[] {
-    return [{ x: this.x, y: this.y - this.height / 2 + 10, id: `${this.id}_children`, type: 'children', edgeAddable: false }]
+    return [{ x: this.x, y: this.y - this.height / 2, id: `${this.id}_children`, type: 'children', edgeAddable: false }]
   }
 
   refreshBranch() {
diff --git a/ui/src/workflow-canvas/nodes/loop-node/index.ts b/ui/src/workflow-canvas/nodes/loop-node/index.ts
index 8b5ee6f07fc..22071777e57 100644
--- a/ui/src/workflow-canvas/nodes/loop-node/index.ts
+++ b/ui/src/workflow-canvas/nodes/loop-node/index.ts
@@ -7,7 +7,7 @@ import type { Model } from '@logicflow/core'
 class LoopNodeModel extends WorkflowNodeModel {
   getDefaultAnchor(): Model.AnchorConfig[] {
     const anchors = super.getDefaultAnchor()
-    anchors.push({ x: this.x, y: this.y + this.height / 2 - 25, id: `${this.id}_children`, type: 'children', edgeAddable: false })
+    anchors.push({ x: this.x, y: this.y + this.height / 2, id: `${this.id}_children`, type: 'children', edgeAddable: false })
     return anchors
   }
 
diff --git a/ui/src/workflow-canvas/nodes/loop-node/index.vue b/ui/src/workflow-canvas/nodes/loop-node/index.vue
index 27ae686161f..756d042dfaf 100644
--- a/ui/src/workflow-canvas/nodes/loop-node/index.vue
+++ b/ui/src/workflow-canvas/nodes/loop-node/index.vue
@@ -103,7 +103,7 @@ function mountLoopBodyNode() {
     edges: [],
   }
   let x = model.x
-  let y = model.y + 350
+  let y = model.y + 850
   if (nodeData?.loop_body) workflow = nodeData.loop_body
   if (nodeData?.loop) {
     x = nodeData.loop.x
diff --git a/ui/src/workflow-canvas/nodes/tool-lib-node/index.vue b/ui/src/workflow-canvas/nodes/tool-lib-node/index.vue
index 04c7bccc97e..05d4297850f 100644
--- a/ui/src/workflow-canvas/nodes/tool-lib-node/index.vue
+++ b/ui/src/workflow-canvas/nodes/tool-lib-node/index.vue
@@ -104,36 +104,38 @@ onMounted(() => {
 
     <div class="mk-gray-card">
       <el-form ref="formRef" :model="formData" label-position="top" hide-required-asterisk @submit.prevent>
+        <!-- 输入参数 -->
         <h6 class="mb-2">输入参数</h6>
         <template v-if="formData.input_field_list.length">
-          <el-form-item
-            v-for="(field, index) in formData.input_field_list"
-            :key="`${field.name}-${index}`"
-            :prop="`input_field_list.${index}.value`"
-            :rules="{
-              required: field.is_required,
-              message: field.source === 'reference' ? '请选择参数' : '请输入参数',
-              trigger: field.source === 'reference' ? 'change' : 'blur',
-            }"
-          >
-            <template #label>
-              <div class="flex w-full items-center gap-1">
-                <span class="max-w-40 truncate" :class="{ 'mk-required': field.is_required }" :title="field.name">{{ field.name }}</span>
-                <el-tooltip v-if="field.desc" :content="field.desc" effect="dark" placement="right">
-                  <MkIcon name="icon_info_outlined" class="text-N600!" />
-                </el-tooltip>
-                <el-tag size="small" type="info">{{ field.type }}</el-tag>
-              </div>
-            </template>
-
-            <NodeCascader v-if="field.source === 'reference'" v-model="field.value" :node-model="model" placeholder="请选择参数" />
-            <el-input v-else v-model="field.value" placeholder="请输入参数" />
-          </el-form-item>
+          <div class="mk-white-card">
+            <el-form-item
+              v-for="(field, index) in formData.input_field_list"
+              :key="`${field.name}-${index}`"
+              :prop="`input_field_list.${index}.value`"
+              :rules="{
+                required: field.is_required,
+                message: field.source === 'reference' ? '请选择参数' : '请输入参数',
+                trigger: field.source === 'reference' ? 'change' : 'blur',
+              }"
+            >
+              <template #label>
+                <div class="flex w-full items-center gap-1">
+                  <span class="max-w-40 truncate" :class="{ 'mk-required': field.is_required }" :title="field.name">{{ field.name }}</span>
+                  <el-tooltip v-if="field.desc" :content="field.desc" effect="dark" placement="right">
+                    <MkIcon name="icon_info_outlined" class="text-N600!" />
+                  </el-tooltip>
+                  <el-tag size="small" type="info">{{ field.type }}</el-tag>
+                </div>
+              </template>
+
+              <NodeCascader v-if="field.source === 'reference'" v-model="field.value" :node-model="model" placeholder="请选择参数" />
+              <el-input v-else v-model="field.value" placeholder="请输入参数" />
+            </el-form-item>
+          </div>
         </template>
-        <MkEmpty v-else :image-size="60" class="mb-4" />
 
         <!-- 返回内容 -->
-        <div v-if="showReturnContent" class="flex-between w-full">
+        <div v-if="showReturnContent" class="flex-between w-full mt-4">
           <span class="flex items-center gap-1">
             返回内容
             <el-tooltip content="关闭后该节点的内容则不输出给用户。如果你想让用户看到该节点的输出内容，请打开开关。" placement="right">