diff --git a/src/assets/css/common.css b/src/assets/css/common.css
index 2f29a80..3217524 100644
--- a/src/assets/css/common.css
+++ b/src/assets/css/common.css
@@ -32,7 +32,7 @@
   content: "";
   position: absolute;
   left: 22px;
-  top: calc("50% - 7px");
+  top: calc(50% - 7px);
   width: 4px;
   height: 14px;
   border-radius: 5px;

diff --git a/src/assets/css/common.css b/src/assets/css/common.css
index 2f29a80..3217524 100644
--- a/src/assets/css/common.css
+++ b/src/assets/css/common.css
@@ -32,7 +32,7 @@
   content: "";
   position: absolute;
   left: 22px;
-  top: calc("50% - 7px");
+  top: calc(50% - 7px);
   width: 4px;
   height: 14px;
   border-radius: 5px;
diff --git a/src/components/ConfigManager/SiteManagement.vue b/src/components/ConfigManager/SiteManagement.vue
index 56bd035..099ecdb 100644
--- a/src/components/ConfigManager/SiteManagement.vue
+++ b/src/components/ConfigManager/SiteManagement.vue
@@ -866,7 +866,7 @@
           this.title = "修改站点";
           for (let key in data) {
             if (key === "stationType") {
-              data[key] = data[key].toString();
+              data[key] = data[key] ? data[key].toString() : "";
             }
             this.projectObj = {
               value: data.platformCode