diff --git a/pages/myinfo/myinfo.vue b/pages/myinfo/myinfo.vue
index 5c2ec45..79feade 100644
--- a/pages/myinfo/myinfo.vue
+++ b/pages/myinfo/myinfo.vue
@@ -139,10 +139,10 @@
 
 		<!-- 提交按钮 -->
 		<view class="btn-wrap">
-			<view v-if="!isInfoApproved" class="agree-row" @tap="agreed = !agreed">
-				<u-checkbox-group>
-					<u-checkbox :checked="agreed" shape="circle" activeColor="#0E63E3" size="18" @change="agreed = !agreed" />
-				</u-checkbox-group>
+			<view v-if="!isInfoApproved" class="agree-row" @tap="toggleAgree">
+				<view :class="['agree-checkbox', agreed ? 'checked' : '']">
+					<text v-if="agreed" class="agree-check-icon">✓</text>
+				</view>
 				<text class="agree-text">请阅读并同意</text>
 				<text class="agree-link" @tap.stop="openNotice">《患者告知书》</text>
 			</view>
@@ -535,6 +535,10 @@ const openNotice = () => {
 	uni.navigateTo({ url: '/pages/content/content?key=patient_information_sheet' })
 }
 
+const toggleAgree = () => {
+	agreed.value = !agreed.value
+}
+
 const handleSubmit = async () => {
 	if (isInfoApproved.value) return showApprovedTip()
 	if (!agreed.value) {
@@ -925,6 +929,31 @@ const doSubmit = async () => {
 	padding-left: 4rpx;
 }
 
+.agree-checkbox {
+	width: 36rpx;
+	height: 36rpx;
+	border: 2rpx solid #dcdfe6;
+	border-radius: 50%;
+	box-sizing: border-box;
+	display: flex;
+	align-items: center;
+	justify-content: center;
+	flex-shrink: 0;
+	background: #fff;
+}
+
+.agree-checkbox.checked {
+	border-color: #0e63e3;
+	background: #0e63e3;
+}
+
+.agree-check-icon {
+	font-size: 24rpx;
+	line-height: 1;
+	color: #fff;
+	font-weight: 600;
+}
+
 .agree-text {
 	font-size: 24rpx;
 	color: #666;
diff --git a/pages/sample-info/sample-info.vue b/pages/sample-info/sample-info.vue
index cd60ecf..9e1d991 100644
--- a/pages/sample-info/sample-info.vue
+++ b/pages/sample-info/sample-info.vue
@@ -130,9 +130,9 @@
 		<!-- 提交按钮 -->
 		<view class="btn-wrap">
 			<view class="agree-row" @tap="toggleAgree">
-				<u-checkbox-group>
-					<u-checkbox :checked="agreed" :disabled="isSampleInfoLocked" shape="circle" activeColor="#0E63E3" size="18" />
-				</u-checkbox-group>
+				<view :class="['agree-checkbox', agreed ? 'checked' : '', isSampleInfoLocked ? 'disabled' : '']">
+					<text v-if="agreed" class="agree-check-icon">✓</text>
+				</view>
 				<text class="agree-text">请阅读并同意</text>
 				<text class="agree-link" @tap.stop="openNotice">《患者告知书》</text>
 			</view>
@@ -652,6 +652,11 @@ const handleSubmit = async () => {
 .upload-text { font-size: 22rpx; color: #999; margin-top: 4rpx; }
 .btn-wrap { position: fixed; bottom: 0; left: 0; right: 0; background: #fff; padding: 20rpx 32rpx; padding-bottom: calc(20rpx + env(safe-area-inset-bottom)); box-shadow: 0 -4rpx 16rpx rgba(0,0,0,0.06); z-index: 100; }
 .agree-row { display: flex; align-items: center; margin-bottom: 16rpx; padding-left: 4rpx; }
+.agree-checkbox { width: 36rpx; height: 36rpx; border: 2rpx solid #dcdfe6; border-radius: 50%; box-sizing: border-box; display: flex; align-items: center; justify-content: center; flex-shrink: 0; background: #fff; }
+.agree-checkbox.checked { border-color: #0e63e3; background: #0e63e3; }
+.agree-checkbox.disabled { border-color: #dcdfe6; background: #f5f7fa; }
+.agree-checkbox.checked.disabled { border-color: #c0c4cc; background: #c0c4cc; }
+.agree-check-icon { font-size: 24rpx; line-height: 1; color: #fff; font-weight: 600; }
 .agree-text { font-size: 24rpx; color: #666; margin-left: 8rpx; }
 .agree-link { font-size: 24rpx; color: #0e63e3; }
 .apply-popup { width: 100%; box-sizing: border-box; background: #fff; border-radius: 24rpx 24rpx 0 0; padding: 36rpx 32rpx 24rpx; }