diff --git a/webui/src/components/ParameterForm.vue b/webui/src/components/ParameterForm.vue
index a81fb30..9f64891 100644
--- a/webui/src/components/ParameterForm.vue
+++ b/webui/src/components/ParameterForm.vue
@@ -617,6 +617,17 @@ const calculate = async () => {
     }
   }
 
+  // 验证导、地线挂点垂直坐标顺序：地线 > 导线1 > 导线2 > 导线3
+  const hArm = params.parameter.h_arm.map(Number)
+  for (let i = 0; i < hArm.length - 1; i++) {
+    if (hArm[i] <= hArm[i + 1]) {
+      const labels = ['地线', '导线1', '导线2', '导线3']
+      error.value = `请检查参数：${labels[i]}垂直坐标应大于${labels[i + 1]}垂直坐标`
+      logRef.value?.addLog('error', error.value)
+      return
+    }
+  }
+
   calculating.value = true
   result.value = null
   error.value = null