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 5a7e7886fa..7a1fbdb7f8 100644
--- a/web/app/components/workflow/nodes/_base/components/variable/utils.ts
+++ b/web/app/components/workflow/nodes/_base/components/variable/utils.ts
@@ -421,7 +421,7 @@ const getIterationItemType = ({
       arrayType = curr?.type
     }
     else {
-      if (curr?.type === VarType.object)
+      if (curr?.type === VarType.object || curr?.type === VarType.file)
         curr = curr.children
     }
   })
@@ -516,7 +516,7 @@ export const getVarType = ({
         type = curr?.type
       }
       else {
-        if (curr?.type === VarType.object)
+        if (curr?.type === VarType.object || curr?.type === VarType.file)
           curr = curr.children
       }
     })
diff --git a/web/app/components/workflow/nodes/_base/hooks/use-one-step-run.ts b/web/app/components/workflow/nodes/_base/hooks/use-one-step-run.ts
index 0a6a7a9c1b..8876ab0058 100644
--- a/web/app/components/workflow/nodes/_base/hooks/use-one-step-run.ts
+++ b/web/app/components/workflow/nodes/_base/hooks/use-one-step-run.ts
@@ -123,7 +123,7 @@ const useOneStepRun = <T>({
         res = curr
       }
       else {
-        if (curr?.type === VarType.object)
+        if (curr?.type === VarType.object || curr?.type === VarType.file)
           curr = curr.children
       }
     })