diff --git a/web/src/components/ui/select.tsx b/web/src/components/ui/select.tsx
index 0f83d2362..9cb7fe69b 100644
--- a/web/src/components/ui/select.tsx
+++ b/web/src/components/ui/select.tsx
@@ -1,10 +1,14 @@
 'use client';
 
 import * as SelectPrimitive from '@radix-ui/react-select';
-import { Check, ChevronDown, ChevronUp } from 'lucide-react';
+import { Check, ChevronDown, ChevronUp, X } from 'lucide-react';
 import * as React from 'react';
 
 import { cn } from '@/lib/utils';
+import { ControllerRenderProps } from 'react-hook-form';
+
+import { FormControl } from '@/components/ui/form';
+import { useCallback, useEffect } from 'react';
 
 const Select = SelectPrimitive.Root;
 
@@ -14,8 +18,10 @@ const SelectValue = SelectPrimitive.Value;
 
 const SelectTrigger = React.forwardRef<
   React.ElementRef<typeof SelectPrimitive.Trigger>,
-  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Trigger>
->(({ className, children, ...props }, ref) => (
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Trigger> & {
+    onReset?: () => void;
+  }
+>(({ className, children, value, onReset, ...props }, ref) => (
   <SelectPrimitive.Trigger
     ref={ref}
     className={cn(
@@ -25,8 +31,17 @@ const SelectTrigger = React.forwardRef<
     {...props}
   >
     {children}
-    <SelectPrimitive.Icon asChild>
-      <ChevronDown className="h-4 w-4 opacity-50" />
+    <SelectPrimitive.Icon
+      asChild
+      onPointerDown={(event) => {
+        event.stopPropagation();
+      }}
+    >
+      {value ? (
+        <X className="h-4 w-4 opacity-50 cursor-pointer" onClick={onReset} />
+      ) : (
+        <ChevronDown className="h-4 w-4 opacity-50" />
+      )}
     </SelectPrimitive.Icon>
   </SelectPrimitive.Trigger>
 ));
@@ -158,3 +173,111 @@ export {
   SelectTrigger,
   SelectValue,
 };
+
+export type RAGFlowSelectOptionType = {
+  label: React.ReactNode;
+  value: string;
+  disabled?: boolean;
+};
+
+export type RAGFlowSelectGroupOptionType = {
+  label: React.ReactNode;
+  options: RAGFlowSelectOptionType[];
+};
+
+type RAGFlowSelectProps = Partial<ControllerRenderProps> & {
+  FormControlComponent?: typeof FormControl;
+  options?: (RAGFlowSelectOptionType | RAGFlowSelectGroupOptionType)[];
+};
+
+/**
+ *
+ * Reference:
+ * https://github.com/shadcn-ui/ui/discussions/638
+ * https://github.com/radix-ui/primitives/discussions/2645#discussioncomment-8343397
+ *
+ * @export
+ * @param {(Partial<ControllerRenderProps> & {
+ *   FormControlComponent?: typeof FormControl;
+ * })} {
+ *   value: initialValue,
+ *   onChange,
+ *   FormControlComponent,
+ * }
+ * @return {*}
+ */
+export function RAGFlowSelect({
+  value: initialValue,
+  onChange,
+  FormControlComponent,
+  options = [],
+}: RAGFlowSelectProps) {
+  const [key, setKey] = React.useState(+new Date());
+  const [value, setValue] = React.useState<string | undefined>(undefined);
+
+  const FormControlWidget = FormControlComponent
+    ? FormControlComponent
+    : React.Fragment;
+
+  const handleChange = useCallback(
+    (val?: string) => {
+      setValue(val);
+      onChange?.(val);
+    },
+    [onChange],
+  );
+
+  const handleReset = useCallback(() => {
+    handleChange(undefined);
+    setKey(+new Date());
+  }, [handleChange]);
+
+  useEffect(() => {
+    setValue((preValue) => {
+      if (preValue !== initialValue) {
+        return initialValue;
+      }
+      return preValue;
+    });
+  }, [initialValue]);
+
+  return (
+    <Select onValueChange={handleChange} value={value} key={key}>
+      <FormControlWidget>
+        <SelectTrigger
+          className="bg-colors-background-inverse-weak"
+          value={value}
+          onReset={handleReset}
+        >
+          <SelectValue placeholder="Select a verified email to display" />
+        </SelectTrigger>
+      </FormControlWidget>
+      <SelectContent>
+        {options.map((o, idx) => {
+          if ('value' in o) {
+            return (
+              <SelectItem
+                value={o.value as RAGFlowSelectOptionType['value']}
+                key={o.value}
+                disabled={o.disabled}
+              >
+                {o.label}
+              </SelectItem>
+            );
+          }
+
+          return (
+            <SelectGroup key={idx}>
+              <SelectLabel>{o.label}</SelectLabel>
+              {o.options.map((x) => (
+                <SelectItem value={x.value} key={x.value} disabled={x.disabled}>
+                  {x.label}
+                </SelectItem>
+              ))}
+            </SelectGroup>
+          );
+        })}
+      </SelectContent>
+    </Select>
+  );
+}
diff --git a/web/src/pages/dataset/testing/testing-form.tsx b/web/src/pages/dataset/testing/testing-form.tsx
index ae6b01b46..bae983b92 100644
--- a/web/src/pages/dataset/testing/testing-form.tsx
+++ b/web/src/pages/dataset/testing/testing-form.tsx
@@ -14,16 +14,20 @@ import {
   FormLabel,
   FormMessage,
 } from '@/components/ui/form';
-import {
-  Select,
-  SelectContent,
-  SelectItem,
-  SelectTrigger,
-  SelectValue,
-} from '@/components/ui/select';
+import { RAGFlowSelect } from '@/components/ui/select';
 import { FormSlider } from '@/components/ui/slider';
 import { Textarea } from '@/components/ui/textarea';
 
+const options = [
+  { label: 'xx', value: 'xx' },
+  { label: 'ii', value: 'ii' },
+];
+
+const groupOptions = [
+  { label: 'scsdv', options },
+  { label: 'thtyu', options: [{ label: 'jj', value: 'jj' }] },
+];
+
 const formSchema = z.object({
   username: z.number().min(2, {
     message: 'Username must be at least 2 characters.',
@@ -95,18 +99,12 @@ export default function TestingForm() {
           render={({ field }) => (
             <FormItem>
               <FormLabel>Username</FormLabel>
-              <Select onValueChange={field.onChange} defaultValue={field.value}>
-                <FormControl>
-                  <SelectTrigger className="bg-colors-background-inverse-weak">
-                    <SelectValue placeholder="Select a verified email to display" />
-                  </SelectTrigger>
-                </FormControl>
-                <SelectContent>
-                  <SelectItem value="m@example.com">m@example.com</SelectItem>
-                  <SelectItem value="m@google.com">m@google.com</SelectItem>
-                  <SelectItem value="m@support.com">m@support.com</SelectItem>
-                </SelectContent>
-              </Select>
+              <RAGFlowSelect
+                value={field.value}
+                onChange={field.onChange}
+                FormControlComponent={FormControl}
+                options={groupOptions}
+              ></RAGFlowSelect>
               <FormDescription>
                 This is your public display name.
               </FormDescription>
diff --git a/web/src/pages/flow/canvas/node/node-header.tsx b/web/src/pages/flow/canvas/node/node-header.tsx
index 4c7ad21f2..99a37dc1e 100644
--- a/web/src/pages/flow/canvas/node/node-header.tsx
+++ b/web/src/pages/flow/canvas/node/node-header.tsx
@@ -59,7 +59,7 @@ const NodeHeader = ({
       >
         <OperatorIcon
           name={label as Operator}
-          color={operatorMap[label as Operator].color}
+          color={operatorMap[label as Operator]?.color}
         ></OperatorIcon>
         <span className="truncate text-center font-semibold text-sm">
           {name}