`fix`

ruoyi-ui-vue3/src/views/device/sensordash/index.vue

@@ -446,8 +446,12 @@ const showdata = (name, un) => {
     if (un == "~") {
       return moment(value * 1000).format("yyyy-MM-DD HH:mm:ss");
     }
+    if(un == "_"){
+      return value;
+    }
     value = value ? parseFloat(value) + "" : "-";
-  } catch (e) {}
+  } catch (e) {
+  }
   return value;
 };