编辑方案的时候，根据穴位的性质（单双穴）显示侧别

code/backend/src/main/java/com/aijiuyi/admin/controller/AcupointController.java

@@ -36,7 +36,7 @@ public class AcupointController {
         List<Acupoint> list = acupointService.list(
                 new LambdaQueryWrapper<Acupoint>()
                         .eq(Acupoint::getStatus, 1)
-                        .select(Acupoint::getId, Acupoint::getName)
+                        .select(Acupoint::getId, Acupoint::getName, Acupoint::getSingleDouble)
                         .orderByAsc(Acupoint::getId)
         );
         return Result.success(list);

code/frontend/src/views/plan/index.vue

@@ -294,10 +294,12 @@
             <el-col :span="8">
               <el-form-item :label="'侧别'" :prop="`steps.${index}.side`" :rules="stepRules.side">
                 <el-select v-model="step.side" placeholder="侧别" style="width:100%">
-                  <el-option label="中心" :value="1" />
-                  <el-option label="左侧" :value="2" />
-                  <el-option label="右侧" :value="3" />
-                  <el-option label="双侧" :value="4" />
+                  <el-option
+                    v-for="opt in getSideOptions(step.acupointId)"
+                    :key="opt.value"
+                    :label="opt.label"
+                    :value="opt.value"
+                  />
                 </el-select>
               </el-form-item>
             </el-col>
@@ -656,12 +658,44 @@ const stepRules = {
   techniqueId: [{ required: true, message: '请选择艾灸手法', trigger: 'change' }]
 }
 
+const allSideOptions = [
+  { label: '中心', value: 1 },
+  { label: '左侧', value: 2 },
+  { label: '右侧', value: 3 },
+  { label: '双侧', value: 4 }
+]
+
+/**
+ * 根据穴位的单/双穴属性返回可选的侧别选项
+ * - 单穴：只能选"中心"
+ * - 双穴：不能选"中心"（左侧/右侧/双侧）
+ */
+function getSideOptions(acupointId) {
+  if (!acupointId) return allSideOptions
+  const found = acupointOptions.value.find(a => a.id === acupointId)
+  if (!found || !found.singleDouble) return allSideOptions
+  if (found.singleDouble.includes('单')) {
+    return allSideOptions.filter(opt => opt.value === 1)
+  }
+  if (found.singleDouble.includes('双')) {
+    return allSideOptions.filter(opt => opt.value !== 1)
+  }
+  return allSideOptions
+}
+
 /**
- * 穴位选择变更：同步填充 acupointName
+ * 穴位选择变更：同步填充 acupointName，并根据单/双穴自动调整侧别
  */
 function onAcupointChange(id, index) {
   const found = acupointOptions.value.find(a => a.id === id)
   formData.steps[index].acupointName = found ? found.name : ''
+  if (found && found.singleDouble) {
+    if (found.singleDouble.includes('单') && formData.steps[index].side !== 1) {
+      formData.steps[index].side = 1
+    } else if (found.singleDouble.includes('双') && formData.steps[index].side === 1) {
+      formData.steps[index].side = 4
+    }
+  }
 }
 
 /**