diff --git a/pages/forewarning/hd.vue b/pages/forewarning/hd.vue
index 38d3233..c74d60c 100644
--- a/pages/forewarning/hd.vue
+++ b/pages/forewarning/hd.vue
@@ -32,7 +32,7 @@
 		<div class="tableBody">
 			<div v-for="(item,index) in getSearchVal" class="tableRow">
 				<div class="td t1" @click="toSh(item)">{{item.stnm}}</div>
-				<div class="td t2">{{Number(item.z).toFixed(2)}}({{Number(item.gstate===1?(item.grz-item.z):(item.wrz-item.z)).toFixed(2)}})</div>
+				<div class="td t2">{{Number(item.z).toFixed(2)}}({{Number(item.gstate===1?(item.z-item.grz):(item.z-item.wrz)).toFixed(2)}})</div>
 				<div class="td t3">{{sttp[item.sttp]}}</div>
 				<div class="td t4">{{item.gstate===1?'超危险水位':item.wstate===1?'超警戒水位':'-'}}</div>
 			</div>