diff --git a/packages/components/date-picker/hooks/useRange.tsx b/packages/components/date-picker/hooks/useRange.tsx
index aa9f2b6bec..660268b21c 100644
--- a/packages/components/date-picker/hooks/useRange.tsx
+++ b/packages/components/date-picker/hooks/useRange.tsx
@@ -35,7 +35,7 @@ export default function useRange(props: TdDateRangePickerProps) {
 
   const popupVisible = ref(false);
   const isHoverCell = ref(false);
-  const activeIndex = ref(0); // 确定当前选中的输入框序号
+  const activeIndex = ref<0 | 1>(0); // 确定当前选中的输入框序号
   const inputValue = ref(formatDate(props.value, { format: formatRef.value.format })); // 未真正选中前可能不断变更输入框的内容
   const isReadOnly = useReadonly();
 
@@ -128,6 +128,8 @@ export default function useRange(props: TdDateRangePickerProps) {
 
       // 这里劫持了进一步向 popup 传递的 onVisibleChange 事件，为了保证可以在 Datepicker 中使用 popupProps.onVisibleChange，故此处理
       props.popupProps?.onVisibleChange?.(visible, context);
+      // TODO
+      // @ts-ignore types only declare onVisibleChange，but not declare on-visible-change
       props.popupProps?.['on-visible-change']?.(visible, context);
 
       // 输入框点击不关闭面板
diff --git a/packages/components/date-picker/hooks/useSingle.tsx b/packages/components/date-picker/hooks/useSingle.tsx
index 036e1eb0e2..0393e9587f 100644
--- a/packages/components/date-picker/hooks/useSingle.tsx
+++ b/packages/components/date-picker/hooks/useSingle.tsx
@@ -127,6 +127,8 @@ export default function useSingle(props: TdDatePickerProps) {
       if (disabled.value) return;
       // 这里劫持了进一步向 popup 传递的 onVisibleChange 事件，为了保证可以在 Datepicker 中使用 popupProps.onVisibleChange，故此处理
       props.popupProps?.onVisibleChange?.(visible, context);
+      // TODO
+      // @ts-ignore types only declare onVisibleChange，but not declare on-visible-change
       props.popupProps?.['on-visible-change']?.(visible, context);
       // 输入框点击不关闭面板
       if (context.trigger === 'trigger-element-click') {
diff --git a/packages/components/dialog/dialog.tsx b/packages/components/dialog/dialog.tsx
index 12b9843f23..69e843dbd5 100644
--- a/packages/components/dialog/dialog.tsx
+++ b/packages/components/dialog/dialog.tsx
@@ -296,6 +296,7 @@ export default defineComponent({
     const hasEventOn = (name: string) => {
       // _events 因没有被暴露在vue实例接口中，只能把这个规则注释掉
       // eslint-disable-next-line dot-notation
+      // @ts-ignore
       const eventFuncs = this['_events']?.[name];
       return !!eventFuncs?.length;
     };
diff --git a/packages/components/dialog/hooks.tsx b/packages/components/dialog/hooks.tsx
index 012f72f5a9..fb98c3257d 100644
--- a/packages/components/dialog/hooks.tsx
+++ b/packages/components/dialog/hooks.tsx
@@ -7,6 +7,7 @@ import TButton, { ButtonProps } from '../button';
 import { PopconfirmConfig, DialogConfig, DrawerConfig } from '../config-provider';
 import type { ClassName } from '../common';
 import type { TdDialogProps } from './type';
+import { getPropertyValFromObj } from '../../utils/general';
 
 export interface MixinsConfirmBtn {
   theme?: MixinsThemeType;
@@ -38,8 +39,10 @@ export function useAction(action: BtnAction) {
   // 全局配置属性综合
   const getDefaultConfirmBtnProps = (options: MixinsConfirmBtn): ButtonProps => {
     const { globalConfirm, theme, globalConfirmBtnTheme } = options;
-    const defaultTheme = omit(globalConfirmBtnTheme, ['info'])?.[theme] || 'primary';
+    const defaultTheme = getPropertyValFromObj(omit(globalConfirmBtnTheme, ['info']), theme) || 'primary';
     let props: ButtonProps = {
+      // @ts-ignore
+      // TODO: 这里的类型是有问题的，出在 globalConfirmBtnTheme 上
       theme: defaultTheme,
       size: options.size,
       onClick: (e) => {
diff --git a/packages/components/form/form-item.tsx b/packages/components/form/form-item.tsx
index bae475df04..cb2492af67 100644
--- a/packages/components/form/form-item.tsx
+++ b/packages/components/form/form-item.tsx
@@ -252,10 +252,13 @@ export default defineComponent({
         .filter((item) => item.result !== true)
         .map((item: ErrorListType) => {
           Object.keys(item).forEach((key) => {
+            // @ts-ignore
             if (!item.message && errorMessages.value[key]) {
               const name = isString(props.label) ? props.label : props.name;
+              // @ts-ignore
               item.message = template(errorMessages.value[key], {
                 name,
+                // @ts-ignore
                 validate: item[key],
               });
             }
diff --git a/packages/components/form/form.tsx b/packages/components/form/form.tsx
index b2383b9124..c74e7b6aec 100644
--- a/packages/components/form/form.tsx
+++ b/packages/components/form/form.tsx
@@ -94,7 +94,7 @@ export default defineComponent({
       return fields.indexOf(`${name}`) !== -1;
     };
     const formatValidateResult = <T extends Data>(validateResultList: FormItemValidateResult<T>[]) => {
-      const result = validateResultList.reduce((r, err) => Object.assign(r || {}, err), {});
+      const result: Record<string, any> = validateResultList.reduce((r, err) => Object.assign(r || {}, err), {});
       Object.keys(result).forEach((key) => {
         if (result[key] === true) {
           delete result[key];
@@ -172,6 +172,8 @@ export default defineComponent({
       if (!keys.length) return;
       const list = children.value
         .filter((child) => isFunction(child.setValidateMessage) && keys.includes(`${child.name}`))
+        // @ts-ignore
+        // TODO: 😭
         .map((child) => child.setValidateMessage(validateMessage[child.name]));
       Promise.all(list);
     };
diff --git a/packages/components/grid/common.ts b/packages/components/grid/common.ts
index 87ae34d00f..5fbd46cc31 100644
--- a/packages/components/grid/common.ts
+++ b/packages/components/grid/common.ts
@@ -4,7 +4,7 @@ import { isNumber } from 'lodash-es';
 import { isObject } from 'lodash-es';
 import { isArray } from 'lodash-es';
 
-import { TdColProps, TdRowProps } from './type';
+import { GutterObject, TdColProps, TdRowProps } from './type';
 import { calcSize } from '../../utils/responsive';
 import { useListener } from '../hooks/useListener';
 import { isServer } from '../utils/dom';
@@ -52,7 +52,8 @@ export function getRowClasses(name: string, props: TdRowProps) {
  * @param currentSize
  * @returns
  */
-export function calcRowStyle(gutter: TdRowProps['gutter'], currentSize: string) {
+// TODO: 看代码，已经没有用到了，是不是可以删除了
+export function calcRowStyle(gutter: TdRowProps['gutter'], currentSize: keyof GutterObject) {
   const rowStyle = {};
   const getMarginStyle = (gutter: number) =>
     Object.assign(rowStyle, {
@@ -80,6 +81,7 @@ export function calcRowStyle(gutter: TdRowProps['gutter'], currentSize: string)
         }
 
         if (isObject(gutter[0]) && !isUndefined(gutter[0][currentSize])) {
+          const a = gutter[0];
           getMarginStyle(gutter[0][currentSize]);
         }
 
@@ -89,11 +91,17 @@ export function calcRowStyle(gutter: TdRowProps['gutter'], currentSize: string)
       }
     },
     isObject: (gutter: TdRowProps['gutter']) => {
+      // TODO: 好吧，这里明显就不对
+      // @ts-ignore
       if (isObject(gutter) && gutter[currentSize]) {
         if (isArray(gutter) && gutter.length) {
+          // @ts-ignore
+          // TODO: 你看，这里是数组吧，但又来 currentSize
           getMarginStyle(gutter[currentSize][0]);
+          // @ts-ignore
           getRowGapStyle(gutter[currentSize][1]);
         } else {
+          // @ts-ignore
           getMarginStyle(gutter[currentSize]);
         }
       }
@@ -101,12 +109,12 @@ export function calcRowStyle(gutter: TdRowProps['gutter'], currentSize: string)
   };
 
   Object.keys(strategyMap).forEach((item) => {
+    // @ts-ignore
     strategyMap[item](gutter);
   });
 
   return rowStyle;
 }
-
 /**
  * 解析Flex
  * @param flex
@@ -129,7 +137,7 @@ export function parseFlex(flex: TdColProps['flex']): string {
  * @param currentSize
  * @returns
  */
-export function calcColPadding(gutter: TdRowProps['gutter'], currentSize: string) {
+export function calcColPadding(gutter: TdRowProps['gutter'], currentSize: keyof GutterObject) {
   const paddingObj = {};
   const getPaddingStyle = (gutter: number) =>
     Object.assign(paddingObj, {
@@ -154,13 +162,14 @@ export function calcColPadding(gutter: TdRowProps['gutter'], currentSize: string
       }
     },
     isObject: (gutter: TdRowProps['gutter']) => {
-      if (isObject(gutter) && gutter[currentSize]) {
+      // TODO: 你看，这里就不对的 isObject 在乱用
+      if (isObject(gutter) && !isArray(gutter) && gutter[currentSize]) {
         getPaddingStyle(gutter[currentSize]);
       }
     },
   };
 
-  Object.keys(strategyMap).forEach((item) => {
+  Object.keys(strategyMap).forEach((item: keyof typeof strategyMap) => {
     strategyMap[item](gutter);
   });
 
@@ -174,7 +183,7 @@ export function calcColPadding(gutter: TdRowProps['gutter'], currentSize: string
  */
 export function getColClasses(name: string, props: TdColProps) {
   const { span, order, offset, push, pull } = props;
-  const allSizes = ['xs', 'sm', 'md', 'lg', 'xl', 'xxl'];
+  const allSizes = ['xs', 'sm', 'md', 'lg', 'xl', 'xxl'] as const;
 
   const ColSizeClasses = allSizes.reduce((acc, currSize) => {
     const sizeProp = props[currSize];
diff --git a/packages/components/grid/row.tsx b/packages/components/grid/row.tsx
index 1cad22612f..5c1552e950 100644
--- a/packages/components/grid/row.tsx
+++ b/packages/components/grid/row.tsx
@@ -25,7 +25,7 @@ export default defineComponent({
     const COMPONENT_NAME = usePrefixClass('row');
     const rowClasses = computed(() => getRowClasses(COMPONENT_NAME.value, props));
 
-    const rowStyle = computed(() => calcRowStyle(props.gutter, size.value));
+    const rowStyle = computed(() => (props.gutter, size.value));
 
     return () => {
       const { tag: TAG } = props;
diff --git a/packages/components/hooks/icon.tsx b/packages/components/hooks/icon.tsx
index df14988af5..5a4fc9adba 100644
--- a/packages/components/hooks/icon.tsx
+++ b/packages/components/hooks/icon.tsx
@@ -14,7 +14,7 @@ export function useIcon() {
     let iconContent;
     // 传入的是渲染函数
     if (isFunction(instance.props[iconType])) {
-      iconContent = (instance.props as Object)[iconType](h);
+      iconContent = instance.props[iconType](h);
     } else if (instance.slots[iconType]) {
       // 插槽slot
       iconContent = instance.slots[iconType] && instance.slots[iconType](null)[0];
diff --git a/packages/components/hooks/useGlobalIcon.ts b/packages/components/hooks/useGlobalIcon.ts
index cc42d83ae7..5c5ecaef27 100644
--- a/packages/components/hooks/useGlobalIcon.ts
+++ b/packages/components/hooks/useGlobalIcon.ts
@@ -2,12 +2,12 @@ import { useConfig } from './useConfig';
 import { IconConfig } from '../config-provider/type';
 
 // 从 globalConfig 获取 icon 配置用于覆盖组件内置 icon
-export function useGlobalIcon(tdIcon: Object) {
+export function useGlobalIcon(tdIcon: object) {
   const { globalConfig } = useConfig('icon');
 
   const resultIcon: IconConfig = {};
 
-  Object.keys(tdIcon).forEach((key) => {
+  Object.keys(tdIcon).forEach((key: keyof typeof tdIcon) => {
     resultIcon[key] = globalConfig.value?.[key] || tdIcon[key];
   });
 
diff --git a/packages/components/input/input.tsx b/packages/components/input/input.tsx
index 38ef50a089..279c007559 100644
--- a/packages/components/input/input.tsx
+++ b/packages/components/input/input.tsx
@@ -71,8 +71,8 @@ export default defineComponent({
     const inputEventHandler = useInputEventHandler(props, isHover);
 
     const tPlaceholder = computed(() => props.placeholder ?? globalConfig.value.placeholder);
-    const inputAttrs = computed(() =>
-      getValidAttrs({
+    const inputAttrs = computed(() => {
+      const value = {
         autofocus: props.autofocus,
         disabled: disabled.value,
         readonly: readonly.value,
@@ -80,13 +80,14 @@ export default defineComponent({
         name: props.name || undefined,
         type: renderType.value,
         autocomplete: props.autocomplete ?? (globalConfig.value.autocomplete || undefined),
-        unselectable: readonly.value ? 'on' : undefined,
+        unselectable: readonly.value ? 'on' : 'off',
         spellcheck: props.spellCheck,
         // 不要传给 input 原生元素 maxlength，浏览器默认行为会按照 unicode 进行限制，与 maxLength API 违背
         // https://github.com/Tencent/tdesign-vue-next/issues/4413
         // 参见： https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/maxlength，提到了字符串长度的计算方法，就是 str.length
-      }),
-    );
+      } as const;
+      return getValidAttrs(value);
+    });
 
     const wrapClasses = computed(() => [
       INPUT_WRAP_CLASS.value,
diff --git a/packages/components/loading/directive.ts b/packages/components/loading/directive.ts
index 0affe55a93..1659d51f92 100644
--- a/packages/components/loading/directive.ts
+++ b/packages/components/loading/directive.ts
@@ -17,6 +17,8 @@ const createInstance = (el: HTMLElement, binding: DirectiveBinding) => {
 
   if (isObject(binding.value)) {
     mapKeys(binding.value, (value, key) => {
+      // @ts-ignore
+      // TODO: 😭
       options[key] = value;
     });
   }
diff --git a/packages/utils/general.ts b/packages/utils/general.ts
index 1eb27ea957..f03a0b3115 100644
--- a/packages/utils/general.ts
+++ b/packages/utils/general.ts
@@ -1,3 +1,5 @@
+import { isFunction, isObject } from 'lodash-es';
+
 const hasOwnProperty = Object.prototype.hasOwnProperty;
 
 export const hasOwn = <T extends object>(val: T, key: string | symbol | number): key is keyof T =>
@@ -11,16 +13,7 @@ export const getPropertyValFromObj = <T extends object>(
 
 const objectToString: typeof Object.prototype.toString = Object.prototype.toString;
 const toTypeString = (value: unknown): string => objectToString.call(value);
-export const isArray: typeof Array.isArray = Array.isArray;
-export const isMap = (val: unknown): val is Map<any, any> => toTypeString(val) === '[object Map]';
-export const isSet = (val: unknown): val is Set<any> => toTypeString(val) === '[object Set]';
-export const isDate = (val: unknown): val is Date => toTypeString(val) === '[object Date]';
-export const isRegExp = (val: unknown): val is RegExp => toTypeString(val) === '[object RegExp]';
-export const isFunction = (val: unknown): val is Function => typeof val === 'function';
-export const isString = (val: unknown): val is string => typeof val === 'string';
-export const isSymbol = (val: unknown): val is symbol => typeof val === 'symbol';
-export const isPlainObject = (val: unknown): val is object => toTypeString(val) === '[object Object]';
-export const isObject = (val: unknown): val is object => val !== null && typeof val === 'object';
+export const isPlainObject = <T extends object>(val: unknown): val is T => toTypeString(val) === '[object Object]';
 export const isPromise = <T = any>(val: unknown): val is Promise<T> => {
   return (isObject(val) || isFunction(val)) && isFunction((val as any).then) && isFunction((val as any).catch);
 };