diff --git a/web/app/components/workflow/nodes/_base/node.tsx b/web/app/components/workflow/nodes/_base/node.tsx
index 4725f86ad5..5168852075 100644
--- a/web/app/components/workflow/nodes/_base/node.tsx
+++ b/web/app/components/workflow/nodes/_base/node.tsx
@@ -213,7 +213,7 @@ const BaseNode: FC<BaseNodeProps> = ({
           )
         }
         {
-          data.type !== BlockEnum.IfElse && data.type !== BlockEnum.QuestionClassifier && !data._isCandidate && (
+          data.type !== BlockEnum.IfElse && data.type !== BlockEnum.QuestionClassifier && data.type !== BlockEnum.HumanInput && !data._isCandidate && (
             <NodeSourceHandle
               id={id}
               data={data}
diff --git a/web/app/components/workflow/panel/debug-and-preview/chat-wrapper.tsx b/web/app/components/workflow/panel/debug-and-preview/chat-wrapper.tsx
index 5b99dd4d9c..63d8a7cca6 100644
--- a/web/app/components/workflow/panel/debug-and-preview/chat-wrapper.tsx
+++ b/web/app/components/workflow/panel/debug-and-preview/chat-wrapper.tsx
@@ -136,7 +136,7 @@ const ChatWrapper = (
 
   const inputDisabled = useMemo(() => {
     const latestMessage = chatList[chatList.length - 1]
-    return latestMessage.isAnswer && (latestMessage.workflowProcess?.status === WorkflowRunningStatus.Suspended)
+    return latestMessage?.isAnswer && (latestMessage.workflowProcess?.status === WorkflowRunningStatus.Suspended)
   }, [chatList])
 
   const { eventEmitter } = useEventEmitterContextContext()