diff --git a/web/app/components/base/textarea/index.tsx b/web/app/components/base/textarea/index.tsx
index 1e274515f8..43cc33d62e 100644
--- a/web/app/components/base/textarea/index.tsx
+++ b/web/app/components/base/textarea/index.tsx
@@ -39,7 +39,7 @@ const Textarea = React.forwardRef<HTMLTextAreaElement, TextareaProps>(
           destructive && 'border-components-input-border-destructive bg-components-input-bg-destructive text-components-input-text-filled hover:border-components-input-border-destructive hover:bg-components-input-bg-destructive focus:border-components-input-border-destructive focus:bg-components-input-bg-destructive',
           className,
         )}
-        value={value}
+        value={value ?? ''}
         onChange={onChange}
         disabled={disabled}
         {...props}
diff --git a/web/app/components/tools/workflow-tool/configure-button.tsx b/web/app/components/tools/workflow-tool/configure-button.tsx
index 0c72f82f39..bf418750b1 100644
--- a/web/app/components/tools/workflow-tool/configure-button.tsx
+++ b/web/app/components/tools/workflow-tool/configure-button.tsx
@@ -179,8 +179,8 @@ const WorkflowToolConfigureButton = ({
       {(!published || !isLoading) && (
         <div className={cn(
           'group rounded-lg bg-background-section-burn transition-colors',
-          disabled ? 'cursor-not-allowed opacity-30 shadow-xs' : 'cursor-pointer',
-          !disabled && !published && 'hover:bg-state-accent-hover',
+          disabled || !isCurrentWorkspaceManager ? 'cursor-not-allowed opacity-60 shadow-xs' : 'cursor-pointer',
+          !disabled && !published && isCurrentWorkspaceManager && 'hover:bg-state-accent-hover',
         )}>
           {isCurrentWorkspaceManager
             ? (