diff --git a/web/app/components/workflow/nodes/if-else/node.tsx b/web/app/components/workflow/nodes/if-else/node.tsx
index 67ce6529a6..b1c0a4cc25 100644
--- a/web/app/components/workflow/nodes/if-else/node.tsx
+++ b/web/app/components/workflow/nodes/if-else/node.tsx
@@ -35,10 +35,10 @@ const IfElseNode: FC<NodeProps<IfElseNodeType>> = (props) => {
             <div className='space-y-0.5'>
               {caseItem.conditions.map((condition, i) => (
                 <div key={condition.id} className='relative'>
-                  {(condition.variable_selector?.length > 0 && condition.comparison_operator && (isEmptyRelatedOperator(condition.comparison_operator!) ? true : !!condition.value))
+                  {((condition.variable_selector && condition.variable_selector?.length > 0) && condition.comparison_operator && (isEmptyRelatedOperator(condition.comparison_operator!) ? true : !!condition.value))
                     ? (
                       <ConditionValue
-                        variableSelector={condition.variable_selector}
+                        variableSelector={condition.variable_selector!}
                         operator={condition.comparison_operator}
                         value={condition.value}
                       />
diff --git a/web/app/components/workflow/nodes/if-else/types.ts b/web/app/components/workflow/nodes/if-else/types.ts
index 6fabe70d50..9b4097a3da 100644
--- a/web/app/components/workflow/nodes/if-else/types.ts
+++ b/web/app/components/workflow/nodes/if-else/types.ts
@@ -31,6 +31,8 @@ export enum ComparisonOperator {
   in = 'in',
   notIn = 'not in',
   allOf = 'all of',
+  exists = 'exists',
+  notExists = 'not exists',
 }
 
 export type Condition = {
diff --git a/web/app/components/workflow/nodes/if-else/utils.ts b/web/app/components/workflow/nodes/if-else/utils.ts
index 66f361ce90..e034ce98df 100644
--- a/web/app/components/workflow/nodes/if-else/utils.ts
+++ b/web/app/components/workflow/nodes/if-else/utils.ts
@@ -107,6 +107,11 @@ export const getOperators = (type?: VarType, file?: { key: string }) => {
         ComparisonOperator.empty,
         ComparisonOperator.notEmpty,
       ]
+    case VarType.file:
+      return [
+        ComparisonOperator.exists,
+        ComparisonOperator.notExists,
+      ]
     case VarType.arrayString:
     case VarType.arrayNumber:
       return [
@@ -143,7 +148,7 @@ export const comparisonOperatorNotRequireValue = (operator?: ComparisonOperator)
   if (!operator)
     return false
 
-  return [ComparisonOperator.empty, ComparisonOperator.notEmpty, ComparisonOperator.isNull, ComparisonOperator.isNotNull].includes(operator)
+  return [ComparisonOperator.empty, ComparisonOperator.notEmpty, ComparisonOperator.isNull, ComparisonOperator.isNotNull, ComparisonOperator.exists, ComparisonOperator.notExists].includes(operator)
 }
 
 export const branchNameCorrect = (branches: Branch[]) => {
diff --git a/web/i18n/en-US/workflow.ts b/web/i18n/en-US/workflow.ts
index 2d5dd33cdf..a1582480f0 100644
--- a/web/i18n/en-US/workflow.ts
+++ b/web/i18n/en-US/workflow.ts
@@ -421,6 +421,8 @@ const translation = {
         'in': 'in',
         'not in': 'not in',
         'all of': 'all of',
+        'exists': 'exists',
+        'not exists': 'not exists',
       },
       optionName: {
         image: 'Image',
diff --git a/web/i18n/zh-Hans/workflow.ts b/web/i18n/zh-Hans/workflow.ts
index 9b0d0c6188..58366647b9 100644
--- a/web/i18n/zh-Hans/workflow.ts
+++ b/web/i18n/zh-Hans/workflow.ts
@@ -421,6 +421,8 @@ const translation = {
         'in': '是',
         'not in': '不是',
         'all of': '全部是',
+        'exists': '存在',
+        'not exists': '不存在',
       },
       optionName: {
         image: '图片',