update

app/Http/Controllers/Admin/CompanyController.php

@@ -72,14 +72,17 @@ class CompanyController extends BaseController
                 $directions = explode(',', $direction);
                 foreach ($directions as $dir) {
                     $dir = trim($dir);
-                    if (!empty($dir)) {
+                    // 去除空数据：空字符串、null、只包含空白字符的字符串
+                    if (!empty($dir) && $dir !== '' && $dir !== null) {
                         $allDirections[] = $dir;
                     }
                 }
             }
         }
-        // 去重并重新索引
-        $directions = array_values(array_unique($allDirections));
+        // 去重并重新索引，再次过滤空数据
+        $directions = array_values(array_unique(array_filter($allDirections, function ($item) {
+            return !empty($item) && trim($item) !== '';
+        })));
         // 排序
         sort($directions);