diff --git a/src/pages/_components/number-selection/index.tsx b/src/pages/_components/number-selection/index.tsx
new file mode 100644
index 00000000..f4eca299
--- /dev/null
+++ b/src/pages/_components/number-selection/index.tsx
@@ -0,0 +1,164 @@
+import { LabelInfo } from '@gpustack/core-ui';
+import { useIntl } from '@umijs/max';
+import { InputNumber } from 'antd';
+import classNames from 'classnames';
+import React, { useEffect, useState } from 'react';
+import styles from './styles.less';
+
+interface NumberSelectionProps {
+  id?: string;
+  step?: number;
+  min?: number;
+  max?: number;
+  value?: number;
+  disabled?: boolean;
+  label?: React.ReactNode;
+  required?: boolean;
+  className?: string;
+  style?: React.CSSProperties;
+  styles?: {
+    input?: React.CSSProperties;
+  };
+  onChange?: (value: number) => void;
+}
+
+const PRESET_ITEMS = [1, 2, 4, 8];
+
+const NumberSelection: React.FC<NumberSelectionProps> = ({
+  id,
+  step = 1,
+  min = 1,
+  max = 16,
+  value,
+  disabled,
+  label,
+  required,
+  className,
+  style,
+  onChange
+}) => {
+  const intl = useIntl();
+  const showCustomInput = max > 8;
+  const computedItems = showCustomInput
+    ? PRESET_ITEMS.filter((n) => n >= min && n <= max)
+    : Array.from(
+        { length: Math.max(0, Math.floor((max - min) / step) + 1) },
+        (_, i) => min + i * step
+      );
+  const items = computedItems.length === 0 ? [0] : computedItems;
+
+  const [inputValue, setInputValue] = useState<number | null>(() =>
+    value !== undefined && value !== null && !PRESET_ITEMS.includes(value)
+      ? value
+      : null
+  );
+
+  useEffect(() => {
+    if (value === undefined || value === null) {
+      setInputValue(null);
+    } else if (PRESET_ITEMS.includes(value)) {
+      setInputValue(null);
+    } else {
+      setInputValue(value);
+    }
+  }, [value]);
+
+  const handleSelect = (num: number) => {
+    if (disabled || num === value) {
+      return;
+    }
+    setInputValue(null);
+    onChange?.(num);
+  };
+
+  const handleInputChange = (num: number | null) => {
+    setInputValue(num);
+  };
+
+  const commitInput = () => {
+    if (disabled || inputValue === null || inputValue === value) {
+      return;
+    }
+    onChange?.(inputValue);
+  };
+  console.log('value+++', value, 'inputValue', items, inputValue);
+  return (
+    <div
+      id={id}
+      className={classNames(styles.wrapper, className, {
+        [styles.disabled]: disabled
+      })}
+      style={style}
+      role="radiogroup"
+    >
+      {label !== undefined && label !== null && (
+        <div className={styles.label}>
+          <LabelInfo label={label} required={required}></LabelInfo>
+        </div>
+      )}
+      <div className={styles.content}>
+        {items.map((num) => {
+          return (
+            <div
+              key={num}
+              role="radio"
+              aria-checked={num === value}
+              aria-disabled={disabled}
+              tabIndex={disabled ? -1 : 0}
+              className={classNames(styles.numberItem, {
+                [styles.active]: num === value
+              })}
+              onClick={() => handleSelect(num)}
+              onKeyDown={(e) => {
+                if (e.key === 'Enter' || e.key === ' ') {
+                  e.preventDefault();
+                  handleSelect(num);
+                }
+              }}
+            >
+              {num}
+            </div>
+          );
+        })}
+      </div>
+      {showCustomInput && (
+        <div className={styles.inputWrapper}>
+          <div className={styles.line}></div>
+          <div
+            className={classNames(styles.inputContainer, {
+              [styles.hasValue]: !!inputValue
+            })}
+          >
+            <InputNumber
+              controls
+              variant="borderless"
+              min={min}
+              max={max}
+              step={step}
+              disabled={disabled}
+              value={inputValue || undefined}
+              style={{
+                fontSize: 14,
+                width: 140,
+                backgroundColor: 'var(--ant-color-bg-container)',
+                ...style
+              }}
+              styles={{
+                input: {
+                  fontWeight: inputValue ? 500 : 400,
+                  ...(styles?.input as React.CSSProperties)
+                }
+              }}
+              placeholder={intl.formatMessage({ id: 'common.option.other' })}
+              onChange={handleInputChange}
+              onBlur={commitInput}
+              onPressEnter={commitInput}
+            />
+          </div>
+        </div>
+      )}
+    </div>
+  );
+};
+
+export default NumberSelection;
diff --git a/src/pages/_components/number-selection/styles.less b/src/pages/_components/number-selection/styles.less
new file mode 100644
index 00000000..4694f712
--- /dev/null
+++ b/src/pages/_components/number-selection/styles.less
@@ -0,0 +1,92 @@
+.wrapper {
+  display: flex;
+  align-items: center;
+  border-radius: var(--ant-border-radius-lg);
+  border: 1px solid var(--ant-color-border);
+  overflow: hidden;
+  background-color: var(--ant-color-fill-quaternary);
+  .inputContainer {
+    &.hasValue {
+      background-color: var(--ant-color-bg-container);
+      :global {
+        .ant-input-number-action {
+          border-color: var(--ant-color-split) !important;
+        }
+        .ant-input-number-actions {
+          width: 32px !important;
+          opacity: 1 !important;
+        }
+      }
+    }
+    margin-inline: 4px;
+    border-radius: 4px;
+  }
+  .inputWrapper {
+    display: flex;
+    align-items: center;
+    .line {
+      display: flex;
+      height: 22px;
+      border-left: 1px solid var(--ant-color-split);
+    }
+  }
+
+  .label {
+    display: flex;
+    align-items: center;
+    padding: 0 12px;
+    color: var(--ant-color-text-tertiary);
+    white-space: nowrap;
+    border-right: 1px solid var(--ant-color-split);
+  }
+  .content {
+    display: flex;
+    align-items: center;
+    flex: 1;
+    gap: 4px;
+    padding: 4px;
+  }
+  .numberItem {
+    position: relative;
+    color: var(--ant-color-text-secondary);
+    flex: 1;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    height: 40px;
+    border-radius: 4px;
+    cursor: pointer;
+    border: 1px solid transparent;
+    outline: none;
+    transition:
+      color 0.2s,
+      background-color 0.2s,
+      border-color 0.2s;
+    &:hover {
+      background-color: var(--ant-color-fill-secondary);
+    }
+    &:focus-visible {
+      border-color: var(--ant-color-primary);
+    }
+    &.active {
+      background-color: var(--ant-color-bg-container);
+      color: var(--ant-color-text);
+      font-weight: 500;
+      border-color: var(--ant-color-split);
+    }
+  }
+  &.disabled {
+    cursor: not-allowed;
+    background-color: var(--ant-color-bg-container-disabled);
+    .label {
+      color: var(--ant-color-text-disabled);
+    }
+    .numberItem {
+      cursor: not-allowed;
+      color: var(--ant-color-text-disabled);
+      &:hover:not(.active) {
+        background-color: transparent;
+      }
+    }
+  }
+}
diff --git a/src/pages/gpu-service/instances/forms/index.tsx b/src/pages/gpu-service/instances/forms/index.tsx
index 042ad5d9..a40f68fb 100644
--- a/src/pages/gpu-service/instances/forms/index.tsx
+++ b/src/pages/gpu-service/instances/forms/index.tsx
@@ -224,13 +224,14 @@ const GPUServiceInstanceForm: React.FC<InstanceFormProps> = forwardRef(
     }, [action, currentData, form, open, namespace]);
 
     const handleFinish = async (values: InstanceFormValues) => {
-      await onFinish({
-        ...values,
-        spec: {
-          ...values.spec,
-          sshPublicKey: { name: sshKeyData?.name }
-        }
-      });
+      console.log('values=========', values);
+      // await onFinish({
+      //   ...values,
+      //   spec: {
+      //     ...values.spec,
+      //     sshPublicKey: { name: sshKeyData?.name }
+      //   }
+      // });
     };
 
     useImperativeHandle(ref, () => ({
@@ -305,7 +306,7 @@ const GPUServiceInstanceForm: React.FC<InstanceFormProps> = forwardRef(
                   id: 'gpuservice.instance.section.type'
                 }),
                 forceRender: true,
-                children: <InstanceTypeFormItem />
+                children: <InstanceTypeFormItem action={action} />
               },
               {
                 key: TABKeysMap.TEMPLATE,
diff --git a/src/pages/gpu-service/instances/forms/instance-type.tsx b/src/pages/gpu-service/instances/forms/instance-type.tsx
index 8403d64b..17070707 100644
--- a/src/pages/gpu-service/instances/forms/instance-type.tsx
+++ b/src/pages/gpu-service/instances/forms/instance-type.tsx
@@ -1,6 +1,8 @@
-import { InputNumber as CInputNumber } from '@gpustack/core-ui';
+import { PageAction } from '@/config';
+import { PageActionType } from '@/config/types';
+import NumberSelection from '@/pages/_components/number-selection';
 import { useIntl } from '@umijs/max';
-import { Flex, Form } from 'antd';
+import { Form } from 'antd';
 import { useEffect, useMemo } from 'react';
 import styled from 'styled-components';
 import InstanceTypeItem from '../components/instance-type-item';
@@ -45,7 +47,13 @@ const InstanceTypePicker: React.FC<InstanceTypePickerProps> = ({
   );
 };
 
-const InstanceTypeFormItem = () => {
+interface InstanceTypeFormItemProps {
+  action: PageActionType;
+}
+
+const InstanceTypeFormItem: React.FC<InstanceTypeFormItemProps> = ({
+  action
+}) => {
   const intl = useIntl();
   const form = Form.useFormInstance<FormData>();
   const typeName = Form.useWatch(['spec', 'type'], form) as string | undefined;
@@ -65,8 +73,8 @@ const InstanceTypeFormItem = () => {
   const maxGpuCount = useMemo(() => {
     const onceMaxRequest =
       selectedInstanceType?.status?.accelerator?.onceMaxRequest;
-    const num = onceMaxRequest ? Number(onceMaxRequest) : NaN;
-    return Number.isFinite(num) && num > 0 ? num : 1;
+    const num = onceMaxRequest ? Number(onceMaxRequest) : 0;
+    return num;
   }, [selectedInstanceType]);
 
   useEffect(() => {
@@ -135,24 +143,12 @@ const InstanceTypeFormItem = () => {
             }
           ]}
         >
-          <CInputNumber
+          <NumberSelection
             min={1}
             max={maxGpuCount}
-            precision={0}
-            label={
-              <Flex gap={4} align="center">
-                {intl.formatMessage({ id: 'gpuservice.instance.gpuCount' })}
-                <span>
-                  (
-                  {intl.formatMessage(
-                    { id: 'common.max' },
-                    { count: maxGpuCount }
-                  )}
-                  )
-                </span>
-              </Flex>
-            }
-            required
+            step={1}
+            disabled={action === PageAction.EDIT}
+            label={intl.formatMessage({ id: 'gpuservice.instance.gpuCount' })}
           />
         </Form.Item>
       )}
diff --git a/src/pages/gpu-service/instances/forms/storage-volume.tsx b/src/pages/gpu-service/instances/forms/storage-volume.tsx
index 219ec090..2f315b19 100644
--- a/src/pages/gpu-service/instances/forms/storage-volume.tsx
+++ b/src/pages/gpu-service/instances/forms/storage-volume.tsx
@@ -106,16 +106,17 @@ const StorageVolume = ({
             }
           ]}
         />
-        {action === PageAction.CREATE && (
-          <Button
-            type="link"
-            size="small"
-            style={{ marginBottom: 6 }}
-            onClick={() => setOverlayOpen(true)}
-          >
-            {intl.formatMessage({ id: 'gpuservice.storage.add' })}
-          </Button>
-        )}
+        {action === PageAction.CREATE &&
+          storageMode === StorageModeValueMap.Existing && (
+            <Button
+              type="link"
+              size="small"
+              style={{ marginBottom: 6 }}
+              onClick={() => setOverlayOpen(true)}
+            >
+              {intl.formatMessage({ id: 'gpuservice.storage.add' })}
+            </Button>
+          )}
       </Flex>
 
       {storageMode === StorageModeValueMap.Existing && (