diff --git a/web/app/components/workflow/nodes/_base/components/variable/object-child-tree-panel/picker/index.tsx b/web/app/components/workflow/nodes/_base/components/variable/object-child-tree-panel/picker/index.tsx
index 5a84300fcd..af86cc78cd 100644
--- a/web/app/components/workflow/nodes/_base/components/variable/object-child-tree-panel/picker/index.tsx
+++ b/web/app/components/workflow/nodes/_base/components/variable/object-child-tree-panel/picker/index.tsx
@@ -9,7 +9,7 @@ import type { ValueSelector } from '@/app/components/workflow/types'
 
 type Props = {
   className?: string
-  root: { nodeId?: string, nodeName?: string, attrName: string }
+  root: { nodeId?: string, nodeName?: string, attrName: string, attrAlias?: string }
   payload: StructuredOutput
   readonly?: boolean
   onSelect?: (valueSelector: ValueSelector) => void
@@ -52,8 +52,7 @@ export const PickerPanelMain: FC<Props> = ({
           )}
           <div className='system-sm-medium text-text-secondary'>{root.attrName}</div>
         </div>
-        {/* It must be object */}
-        <div className='system-xs-regular ml-2 shrink-0 text-text-tertiary'>object</div>
+        <div className='system-xs-regular ml-2 truncate text-text-tertiary' title={root.attrAlias || 'object'}>{root.attrAlias || 'object'}</div>
       </div>
       {fieldNames.map(name => (
         <Field
diff --git a/web/app/components/workflow/nodes/_base/components/variable/utils.ts b/web/app/components/workflow/nodes/_base/components/variable/utils.ts
index d09ffd8cf5..3616f0a109 100644
--- a/web/app/components/workflow/nodes/_base/components/variable/utils.ts
+++ b/web/app/components/workflow/nodes/_base/components/variable/utils.ts
@@ -217,6 +217,7 @@ const findExceptVarInObject = (obj: any, filterVar: (payload: Var, selector: Val
     variable: obj.variable,
     type: isFile ? VarType.file : VarType.object,
     children: childrenResult,
+    alias: obj.alias,
   }
 
   return res
@@ -518,41 +519,8 @@ const formatItem = (
 
     case BlockEnum.DataSource: {
       const payload = data as DataSourceNodeType
-      const baseVars = DataSourceNodeDefault.getOutputVars?.(payload, ragVars) || []
-      if (payload.output_schema?.properties) {
-        const dynamicOutputSchema: any[] = []
-        Object.keys(payload.output_schema.properties).forEach((outputKey) => {
-          const output = payload.output_schema!.properties[outputKey]
-          const dataType = output?.properties?.dify_builtin_type ? output.properties.dify_builtin_type.enum[0] : output.type
-          dynamicOutputSchema.push({
-            variable: outputKey,
-            type: dataType === 'array'
-              ? `array[${output.items?.type.slice(0, 1).toLocaleLowerCase()}${output.items?.type.slice(1)}]`
-              : `${dataType.slice(0, 1).toLocaleLowerCase()}${dataType.slice(1)}`,
-            description: output.description,
-            children: output.type === 'object' ? {
-              schema: {
-                type: 'object',
-                properties: Object.fromEntries(
-                  Object.entries(output.properties).filter(([key]) => key !== 'dify_builtin_type'),
-                ),
-              },
-            } : undefined,
-          })
-        })
-        res.vars = [
-          ...baseVars,
-          ...dynamicOutputSchema,
-          {
-            variable: 'output',
-            type: VarType.object,
-            children: dynamicOutputSchema,
-          },
-        ]
-      }
-      else {
-        res.vars = baseVars
-      }
+      const dataSourceVars = DataSourceNodeDefault.getOutputVars?.(payload, ragVars) || []
+      res.vars = dataSourceVars
       break
     }
 
@@ -952,7 +920,7 @@ export const getVarType = ({
     const isStructuredOutputVar = !!targetVar.children?.schema?.properties
     if (isStructuredOutputVar) {
       if (valueSelector.length === 2) { // root
-        return VarType.object
+        return targetVar.alias || VarType.object
       }
       let currProperties = targetVar.children.schema;
       (valueSelector as ValueSelector).slice(2).forEach((key, i) => {
diff --git a/web/app/components/workflow/nodes/_base/components/variable/var-reference-vars.tsx b/web/app/components/workflow/nodes/_base/components/variable/var-reference-vars.tsx
index 3ea397a440..0d82c299d4 100644
--- a/web/app/components/workflow/nodes/_base/components/variable/var-reference-vars.tsx
+++ b/web/app/components/workflow/nodes/_base/components/variable/var-reference-vars.tsx
@@ -173,7 +173,7 @@ const Item: FC<ItemProps> = ({
               <div title={itemData.des} className='system-sm-medium ml-1 w-0 grow truncate text-text-secondary'>{itemData.variable.split('.').slice(-1)[0]}</div>
             )}
           </div>
-          <div className='ml-1 shrink-0 text-xs font-normal capitalize text-text-tertiary'>{itemData.type}</div>
+          <div className='ml-1 shrink-0 text-xs font-normal capitalize text-text-tertiary'>{itemData.alias || itemData.type}</div>
           {
             (isObj || isStructureOutput) && (
               <ChevronRight className={cn('ml-0.5 h-3 w-3 text-text-quaternary', isHovering && 'text-text-tertiary')} />
@@ -186,7 +186,7 @@ const Item: FC<ItemProps> = ({
       }}>
         {(isStructureOutput || isObj) && (
           <PickerStructurePanel
-            root={{ nodeId, nodeName: title, attrName: itemData.variable }}
+            root={{ nodeId, nodeName: title, attrName: itemData.variable, attrAlias: itemData.alias }}
             payload={structuredOutput!}
             onHovering={setIsChildrenHovering}
             onSelect={(valueSelector) => {
diff --git a/web/app/components/workflow/nodes/data-source/default.ts b/web/app/components/workflow/nodes/data-source/default.ts
index f3a9e3e4cc..b34be80e7f 100644
--- a/web/app/components/workflow/nodes/data-source/default.ts
+++ b/web/app/components/workflow/nodes/data-source/default.ts
@@ -58,6 +58,29 @@ const nodeDefault: NodeDefault<DataSourceNodeType> = {
       provider_type,
     } = payload
     const isLocalFile = provider_type === DataSourceClassification.localFile
+    const dynamicOutputSchema: any[] = []
+    if (payload.output_schema?.properties) {
+      Object.keys(payload.output_schema.properties).forEach((outputKey) => {
+        const output = payload.output_schema!.properties[outputKey]
+        const dataType = output.type
+        dynamicOutputSchema.push({
+          variable: outputKey,
+          type: dataType === 'array'
+            ? `array[${output.items?.type.slice(0, 1).toLocaleLowerCase()}${output.items?.type.slice(1)}]`
+            : `${dataType.slice(0, 1).toLocaleLowerCase()}${dataType.slice(1)}`,
+          description: output.description,
+          alias: output?.properties.dify_builtin_type?.enum?.[0],
+          children: output.type === 'object' ? {
+            schema: {
+              type: 'object',
+              properties: Object.fromEntries(
+                Object.entries(output.properties).filter(([key]) => key !== 'dify_builtin_type'),
+              ),
+            },
+          } : undefined,
+        })
+      })
+    }
     return [
       ...COMMON_OUTPUT.map(item => ({ variable: item.name, type: item.type })),
       ...(
@@ -66,6 +89,7 @@ const nodeDefault: NodeDefault<DataSourceNodeType> = {
           : []
       ),
       ...ragVars,
+      ...dynamicOutputSchema,
     ]
   },
 }
diff --git a/web/app/components/workflow/nodes/data-source/panel.tsx b/web/app/components/workflow/nodes/data-source/panel.tsx
index e6e3255dd5..1894ff56e1 100644
--- a/web/app/components/workflow/nodes/data-source/panel.tsx
+++ b/web/app/components/workflow/nodes/data-source/panel.tsx
@@ -50,7 +50,7 @@ const Panel: FC<NodePanelProps<DataSourceNodeType>> = ({ id, data }) => {
   const pipelineId = useStore(s => s.pipelineId)
   const setShowInputFieldPanel = useStore(s => s.setShowInputFieldPanel)
   const wrapStructuredVarItem = (outputItem: any): StructuredOutput => {
-    const dataType = outputItem.value?.properties?.dify_builtin_type ? outputItem.value?.properties?.dify_builtin_type.enum[0] : Type.object
+    const dataType = Type.object
     const properties = Object.fromEntries(
       Object.entries(outputItem.value?.properties || {}).filter(([key]) => key !== 'dify_builtin_type'),
     ) as Record<string, any>
@@ -61,6 +61,7 @@ const Panel: FC<NodePanelProps<DataSourceNodeType>> = ({ id, data }) => {
           [outputItem.name]: {
             ...outputItem.value,
             properties,
+            alias: outputItem.value?.properties?.dify_builtin_type?.enum?.[0],
           },
         },
         additionalProperties: false,
diff --git a/web/app/components/workflow/nodes/llm/types.ts b/web/app/components/workflow/nodes/llm/types.ts
index 8314592e6a..ff2a5fc5f4 100644
--- a/web/app/components/workflow/nodes/llm/types.ts
+++ b/web/app/components/workflow/nodes/llm/types.ts
@@ -55,6 +55,7 @@ export type Field = {
   items?: ArrayItems // Array has items. Define the item type
   enum?: SchemaEnumType // Enum values
   additionalProperties?: false // Required in object by api. Just set false
+  alias?: string // Alias of the field
 }
 
 export type StructuredOutput = {
diff --git a/web/app/components/workflow/nodes/llm/utils.ts b/web/app/components/workflow/nodes/llm/utils.ts
index fd943d1fa3..f7ba1db63a 100644
--- a/web/app/components/workflow/nodes/llm/utils.ts
+++ b/web/app/components/workflow/nodes/llm/utils.ts
@@ -10,9 +10,12 @@ export const checkNodeValid = (_payload: LLMNodeType) => {
 }
 
 export const getFieldType = (field: Field) => {
-  const { type, items } = field
-  if (type !== Type.array || !items)
+  const { type, items, alias } = field
+  if (type !== Type.array || !items) {
+    if (alias)
+      return alias
     return type
+  }
 
   return ArrayType[items.type]
 }
diff --git a/web/app/components/workflow/types.ts b/web/app/components/workflow/types.ts
index 04fd03c440..9724c44504 100644
--- a/web/app/components/workflow/types.ts
+++ b/web/app/components/workflow/types.ts
@@ -302,6 +302,7 @@ export type Var = {
   isLoopVariable?: boolean
   nodeId?: string
   isRagVariable?: boolean
+  alias?: string
 }
 
 export type NodeOutPutVar = {