diff --git a/packages/uni-components/src/helpers/useField.ts b/packages/uni-components/src/helpers/useField.ts
index 47f2fe923a985dd88d96e5df0d0ba2fb19b12eab..796a5802e23a0c3cd322e0cf42cf80defa0a2578 100644
--- a/packages/uni-components/src/helpers/useField.ts
+++ b/packages/uni-components/src/helpers/useField.ts
@@ -52,7 +52,10 @@ const UniViewJSBridgeSubscribe = function () {
 const FOCUS_DELAY = 200
 let startTime: number
 
-function getValueString(value: any) {
+function getValueString(value: any, type: string) {
+  if (type === 'number' && isNaN(Number(value))) {
+    value = ''
+  }
   return value === null ? '' : String(value)
 }
 
@@ -185,7 +188,9 @@ function useBase(
     var maxlength = Number(props.maxlength)
     return isNaN(maxlength) ? 140 : maxlength
   })
-  const value = getValueString(props.modelValue) || getValueString(props.value)
+  const value =
+    getValueString(props.modelValue, props.type) ||
+    getValueString(props.value, props.type)
   const state: State = reactive({
     value,
     valueOrigin: value,
@@ -218,7 +223,7 @@ function useValueSync(
   trigger: CustomEventTrigger
 ) {
   const valueChangeFn = debounce((val: any) => {
-    state.value = getValueString(val)
+    state.value = getValueString(val, props.type)
   }, 100)
   watch(() => props.modelValue, valueChangeFn)
   watch(() => props.value, valueChangeFn)
diff --git a/packages/uni-components/src/vue/input/index.tsx b/packages/uni-components/src/vue/input/index.tsx
index f3b6a82dd2d5c70d6bc82e2a3279ca189e656133..d83e443ac454ee8c7573a2caeab2b526db482c48 100644
--- a/packages/uni-components/src/vue/input/index.tsx
+++ b/packages/uni-components/src/vue/input/index.tsx
@@ -1,5 +1,5 @@
 import { extend, hyphenate } from '@vue/shared'
-import { Ref, ref, computed } from 'vue'
+import { Ref, ref, computed, watch } from 'vue'
 import { defineBuiltInComponent } from '../../helpers/component'
 import {
   props as fieldProps,
@@ -107,6 +107,14 @@ export default /*#__PURE__*/ defineBuiltInComponent({
           }
         }
       })
+    watch(
+      () => state.value,
+      (value) => {
+        if (props.type === 'number' && !(cache.value === '-' && value === '')) {
+          cache.value = value
+        }
+      }
+    )
     const NUMBER_TYPES = ['number', 'digit']
     const step = computed(() =>
       NUMBER_TYPES.includes(props.type) ? '0.000000000000000001' : ''