diff --git a/components/ns-form/ns-form.vue b/components/ns-form/ns-form.vue
index 4aec349..206c856 100644
--- a/components/ns-form/ns-form.vue
+++ b/components/ns-form/ns-form.vue
@@ -1171,23 +1171,11 @@
                 }
             }
 
-            checkbox-group {
-                display: flex;
-                flex-wrap: wrap;
-            }
-
+            checkbox-group,
             radio-group {
                 display: flex;
                 flex-wrap: wrap;
-            }
-
-            // 选项排列样式：vertical = 每个选项独立一行；wrap（默认）= 横向自动换行
-            .option-layout-vertical {
-                checkbox-group,
-                radio-group {
-                    flex-direction: column;
-                    align-items: flex-start;
-                }
+                width: 100%;
             }
 
             label {
@@ -1197,6 +1185,39 @@
                 margin-right: 30rpx;
             }
 
+            // 选项排列样式：vertical = 每个选项独立一行；wrap（默认）= 横向自动换行
+            // 注意：option-layout-* 是 .box 自身的类，必须用 & 嵌套，否则编译成 .box .option-layout-* 会选不中
+            &.option-layout-vertical {
+                checkbox-group,
+                radio-group {
+                    flex-direction: column;
+                    align-items: flex-start;
+                }
+
+                label {
+                    width: 100%;
+                    margin-right: 0;
+                    margin-bottom: 16rpx;
+
+                    &:last-child {
+                        margin-bottom: 0;
+                    }
+                }
+            }
+
+            &.option-layout-wrap {
+                checkbox-group,
+                radio-group {
+                    flex-direction: row;
+                    align-items: center;
+                }
+
+                label {
+                    margin-right: 30rpx;
+                    margin-bottom: 0;
+                }
+            }
+
             &.img-boxs {
                 display: flex;
                 align-items: center;
diff --git a/components/ns-newform/ns-newform.vue b/components/ns-newform/ns-newform.vue
index 1464588..b3a5221 100644
--- a/components/ns-newform/ns-newform.vue
+++ b/components/ns-newform/ns-newform.vue
@@ -1389,7 +1389,8 @@ export default {
 			}
 
 			// 选项排列样式：vertical = 每个选项独立一行；wrap = 横向自动换行
-			.option-layout-vertical {
+			// option-layout-* 是 .box 自身的类，必须用 & 嵌套，否则编译成 .box .option-layout-* 选不中实际 DOM
+			&.option-layout-vertical {
 				checkbox-group,
 				radio-group {
 					flex-direction: column;