diff --git a/src/button/index.tsx b/src/button/index.tsx
index 738f9b84a..b130f3fe4 100644
--- a/src/button/index.tsx
+++ b/src/button/index.tsx
@@ -1,4 +1,4 @@
-import { PropType, CSSProperties } from 'vue';
+import { PropType, CSSProperties, ButtonHTMLAttributes } from 'vue';
 
 // Utils
 import { createNamespace } from '../utils';
@@ -49,7 +49,7 @@ export default createComponent({
       default: 'normal',
     },
     nativeType: {
-      type: String,
+      type: String as PropType<ButtonHTMLAttributes['type']>,
       default: 'button',
     },
     loadingSize: {
diff --git a/src/card/index.tsx b/src/card/index.tsx
index 28f851f20..433333748 100644
--- a/src/card/index.tsx
+++ b/src/card/index.tsx
@@ -10,14 +10,14 @@ const [createComponent, bem] = createNamespace('card');
 export default createComponent({
   props: {
     tag: String,
+    num: [Number, String],
     desc: String,
     thumb: String,
     title: String,
+    price: [Number, String],
     centered: Boolean,
     lazyLoad: Boolean,
     thumbLink: String,
-    num: [Number, String],
-    price: [Number, String],
     originPrice: [Number, String],
     currency: {
       type: String,
diff --git a/src/cell/index.tsx b/src/cell/index.tsx
index f299a2c32..a73ce8c0d 100644
--- a/src/cell/index.tsx
+++ b/src/cell/index.tsx
@@ -74,10 +74,10 @@ export default createComponent({
     };
 
     const renderValue = () => {
-      const hasTitle = slots.title || isDef(props.title);
       const hasValue = slots.default || isDef(props.value);
 
       if (hasValue) {
+        const hasTitle = slots.title || isDef(props.title);
         return (
           <div class={[bem('value', { alone: !hasTitle }), props.valueClass]}>
             {slots.default ? slots.default() : <span>{props.value}</span>}
diff --git a/src/circle/index.tsx b/src/circle/index.tsx
index af8d24388..d4df3e205 100644
--- a/src/circle/index.tsx
+++ b/src/circle/index.tsx
@@ -1,4 +1,4 @@
-import { watch, computed, PropType } from 'vue';
+import { watch, computed, PropType, CSSProperties } from 'vue';
 import { raf, cancelRaf } from '@vant/use';
 import { isObject, getSizeStyle, createNamespace } from '../utils';
 
@@ -62,7 +62,8 @@ export default createComponent({
     watch(
       () => props.rate,
       (rate) => {
-        let rafId;
+        let rafId: number | undefined;
+
         const startTime = Date.now();
         const startRate = props.currentRate;
         const endRate = format(rate);
@@ -97,11 +98,11 @@ export default createComponent({
     const renderHover = () => {
       const PERIMETER = 3140;
       const { strokeWidth, currentRate, strokeLinecap } = props;
-      let { color } = props;
       const offset = (PERIMETER * currentRate) / 100;
-      color = isObject(color) ? `url(#${id})` : color;
-      const style = {
-        stroke: `${color}`,
+      const color = isObject(props.color) ? `url(#${id})` : props.color;
+
+      const style: CSSProperties = {
+        stroke: color,
         strokeWidth: `${+strokeWidth + 1}px`,
         strokeLinecap,
         strokeDasharray: `${offset}px ${PERIMETER}px`,
diff --git a/src/circle/test/__snapshots__/demo.spec.ts.snap b/src/circle/test/__snapshots__/demo.spec.ts.snap
index 53cc1ccea..082650420 100644
--- a/src/circle/test/__snapshots__/demo.spec.ts.snap
+++ b/src/circle/test/__snapshots__/demo.spec.ts.snap
@@ -10,7 +10,7 @@ exports[`should render demo and match snapshot 1`] = `
       >
       </path>
       <path d="M 520 520 m 0, -500 a 500, 500 0 1, 1 0, 1000 a 500, 500 0 1, 1 0, -1000"
-            style="stroke: undefined; stroke-width: 41px; stroke-dasharray: 2198px 3140px;"
+            style="stroke-width: 41px; stroke-dasharray: 2198px 3140px;"
             class="van-circle__hover"
       >
       </path>
@@ -29,7 +29,7 @@ exports[`should render demo and match snapshot 1`] = `
       >
       </path>
       <path d="M 530 530 m 0, -500 a 500, 500 0 1, 1 0, 1000 a 500, 500 0 1, 1 0, -1000"
-            style="stroke: undefined; stroke-width: 61px; stroke-dasharray: 2198px 3140px;"
+            style="stroke-width: 61px; stroke-dasharray: 2198px 3140px;"
             class="van-circle__hover"
       >
       </path>
diff --git a/src/circle/test/__snapshots__/index.spec.ts.snap b/src/circle/test/__snapshots__/index.spec.ts.snap
index 58a42660c..ecfb90743 100644
--- a/src/circle/test/__snapshots__/index.spec.ts.snap
+++ b/src/circle/test/__snapshots__/index.spec.ts.snap
@@ -9,7 +9,7 @@ exports[`should change stroke linecap when using stroke-linecap prop 1`] = `
     >
     </path>
     <path d="M 520 520 m 0, -500 a 500, 500 0 1, 1 0, 1000 a 500, 500 0 1, 1 0, -1000"
-          style="stroke: undefined; stroke-width: 41px; stroke-linecap: square; stroke-dasharray: 0px 3140px;"
+          style="stroke-width: 41px; stroke-linecap: square; stroke-dasharray: 0px 3140px;"
           class="van-circle__hover"
     >
     </path>
diff --git a/src/tag/index.tsx b/src/tag/index.tsx
index ccc4e9867..1f07088f4 100644
--- a/src/tag/index.tsx
+++ b/src/tag/index.tsx
@@ -48,9 +48,13 @@ export default createComponent({
     const renderTag = () => {
       const { type, mark, plain, round, size, closeable } = props;
 
-      const classes: Record<string, boolean> = { mark, plain, round };
+      const classes: Record<string, unknown> = {
+        mark,
+        plain,
+        round,
+      };
       if (size) {
-        classes[size] = !!size;
+        classes[size] = size;
       }
 
       const CloseIcon = closeable && (