diff --git a/examples/views/radio/Radio.vue b/examples/views/radio/Radio.vue
index dea979768..892d8409b 100644
--- a/examples/views/radio/Radio.vue
+++ b/examples/views/radio/Radio.vue
@@ -26,6 +26,16 @@
       </vxe-radio-group>
     </p>
 
+    <p>
+      <vxe-radio-group v-model="value9" :strict="false">
+        <vxe-radio label="1" content="HTML"></vxe-radio>
+        <vxe-radio label="2" content="CSS"></vxe-radio>
+        <vxe-radio label="3" content="Javascript"></vxe-radio>
+        <vxe-radio label="4" content="SASS"></vxe-radio>
+        <vxe-radio label="5" content="LESS"></vxe-radio>
+      </vxe-radio-group>
+    </p>
+
     <p>
       <vxe-radio-group v-model="value4">
         <vxe-radio-button label="1" content="按钮1"></vxe-radio-button>
@@ -37,12 +47,12 @@
         <vxe-radio-button label="2" content="按钮2"></vxe-radio-button>
         <vxe-radio-button label="3" content="按钮3"></vxe-radio-button>
       </vxe-radio-group>
-      <vxe-radio-group v-model="value6" size="small">
+      <vxe-radio-group v-model="value6" size="small" :strict="false">
         <vxe-radio-button label="1" content="按钮1"></vxe-radio-button>
         <vxe-radio-button label="2" content="按钮2"></vxe-radio-button>
         <vxe-radio-button label="3" content="按钮3"></vxe-radio-button>
       </vxe-radio-group>
-      <vxe-radio-group v-model="value7" size="mini">
+      <vxe-radio-group v-model="value7" size="mini" :strict="false">
         <vxe-radio-button label="1" content="按钮1"></vxe-radio-button>
         <vxe-radio-button label="2" content="按钮2"></vxe-radio-button>
         <vxe-radio-button label="3" content="按钮3"></vxe-radio-button>
@@ -81,6 +91,7 @@ export default {
       value5: null,
       value6: '1',
       value7: '1',
+      value9: '',
       demoCodes: [
         `
         <p>
diff --git a/packages/radio/src/button.js b/packages/radio/src/button.js
index e49756ab1..15757e478 100644
--- a/packages/radio/src/button.js
+++ b/packages/radio/src/button.js
@@ -9,7 +9,8 @@ export default {
     title: [String, Number],
     content: [String, Number],
     disabled: Boolean,
-    size: { type: String, default: () => GlobalConfig.radio.size || GlobalConfig.size }
+    strict: { type: Boolean, default: () => GlobalConfig.radioButton.strict },
+    size: { type: String, default: () => GlobalConfig.radioButton.size || GlobalConfig.size }
   },
   inject: {
     $xeradiogroup: {
@@ -23,6 +24,10 @@ export default {
     isDisabled () {
       const { $xeradiogroup } = this
       return this.disabled || ($xeradiogroup && $xeradiogroup.disabled)
+    },
+    isStrict () {
+      const { $xeradiogroup } = this
+      return $xeradiogroup ? $xeradiogroup.strict : this.strict
     }
   },
   render (h) {
@@ -49,7 +54,8 @@ export default {
           checked: $xeradiogroup ? $xeradiogroup.value === label : value === label
         },
         on: {
-          change: this.changeEvent
+          change: this.changeEvent,
+          click: this.clickEvent
         }
       }),
       h('span', {
@@ -58,15 +64,27 @@ export default {
     ])
   },
   methods: {
+    handleValue (label, evnt) {
+      const { $xeradiogroup } = this
+      const params = { label, $event: evnt }
+      if ($xeradiogroup) {
+        $xeradiogroup.handleChecked(params)
+      } else {
+        this.$emit('input', label)
+        this.$emit('change', params)
+      }
+    },
     changeEvent (evnt) {
-      const { $xeradiogroup, isDisabled, label } = this
+      const { isDisabled } = this
       if (!isDisabled) {
-        const params = { label, $event: evnt }
-        if ($xeradiogroup) {
-          $xeradiogroup.handleChecked(params)
-        } else {
-          this.$emit('input', label)
-          this.$emit('change', params)
+        this.handleValue(this.label, evnt)
+      }
+    },
+    clickEvent (evnt) {
+      const { $xeradiogroup, isDisabled, isStrict } = this
+      if (!isDisabled && !isStrict) {
+        if (this.label === ($xeradiogroup ? $xeradiogroup.value : this.value)) {
+          this.handleValue(null, evnt)
         }
       }
     }
diff --git a/packages/radio/src/group.js b/packages/radio/src/group.js
index 9686215c9..225980957 100644
--- a/packages/radio/src/group.js
+++ b/packages/radio/src/group.js
@@ -6,7 +6,8 @@ export default {
   props: {
     value: [String, Number, Boolean],
     disabled: Boolean,
-    size: { type: String, default: () => GlobalConfig.radio.size || GlobalConfig.size }
+    strict: { type: Boolean, default: () => GlobalConfig.radioGroup.strict },
+    size: { type: String, default: () => GlobalConfig.radioGroup.size || GlobalConfig.size }
   },
   provide () {
     return {
diff --git a/packages/radio/src/radio.js b/packages/radio/src/radio.js
index c56102030..737b34961 100644
--- a/packages/radio/src/radio.js
+++ b/packages/radio/src/radio.js
@@ -12,6 +12,7 @@ export default {
     content: [String, Number],
     disabled: Boolean,
     name: String,
+    strict: { type: Boolean, default: () => GlobalConfig.radio.strict },
     size: { type: String, default: () => GlobalConfig.radio.size || GlobalConfig.size }
   },
   inject: {
@@ -23,6 +24,10 @@ export default {
     isDisabled () {
       const { $xeradiogroup } = this
       return this.disabled || ($xeradiogroup && $xeradiogroup.disabled)
+    },
+    isStrict () {
+      const { $xeradiogroup } = this
+      return $xeradiogroup ? $xeradiogroup.strict : this.strict
     }
   },
   render (h) {
@@ -49,17 +54,8 @@ export default {
           checked: $xeradiogroup ? $xeradiogroup.value === label : value === label
         },
         on: {
-          change: evnt => {
-            if (!isDisabled) {
-              const params = { label, $event: evnt }
-              if ($xeradiogroup) {
-                $xeradiogroup.handleChecked(params)
-              } else {
-                this.$emit('input', label)
-                this.$emit('change', params)
-              }
-            }
-          }
+          change: this.changeEvent,
+          click: this.clickEvent
         }
       }),
       h('span', {
@@ -71,15 +67,27 @@ export default {
     ])
   },
   methods: {
+    handleValue (label, evnt) {
+      const { $xeradiogroup } = this
+      const params = { label, $event: evnt }
+      if ($xeradiogroup) {
+        $xeradiogroup.handleChecked(params)
+      } else {
+        this.$emit('input', label)
+        this.$emit('change', params)
+      }
+    },
     changeEvent (evnt) {
-      const { $xeradiogroup, isDisabled, label } = this
+      const { isDisabled } = this
       if (!isDisabled) {
-        const params = { label, $event: evnt }
-        if ($xeradiogroup) {
-          $xeradiogroup.handleChecked(params)
-        } else {
-          this.$emit('input', label)
-          this.$emit('change', params)
+        this.handleValue(this.label, evnt)
+      }
+    },
+    clickEvent (evnt) {
+      const { $xeradiogroup, isDisabled, isStrict } = this
+      if (!isDisabled && !isStrict) {
+        if (this.label === ($xeradiogroup ? $xeradiogroup.value : this.value)) {
+          this.handleValue(null, evnt)
         }
       }
     }
diff --git a/packages/v-x-e-table/src/conf.js b/packages/v-x-e-table/src/conf.js
index 255c3e29e..1a1a10a41 100644
--- a/packages/v-x-e-table/src/conf.js
+++ b/packages/v-x-e-table/src/conf.js
@@ -292,7 +292,16 @@ export default {
     // transfer: false
   },
   radio: {
-    // size: null
+    // size: null,
+    strict: true
+  },
+  radioButton: {
+    // size: null,
+    strict: true
+  },
+  radioGroup: {
+    // size: null,
+    strict: true
   },
   checkbox: {
     // size: null