diff --git a/LTEMvcApp/Views/Home/Logs.cshtml b/LTEMvcApp/Views/Home/Logs.cshtml
index b9d7f53..20e3c41 100644
--- a/LTEMvcApp/Views/Home/Logs.cshtml
+++ b/LTEMvcApp/Views/Home/Logs.cshtml
@@ -1385,17 +1385,20 @@
                 });
         });
 
-        connectionStatusBtn.addEventListener('click', function() {
-            fetch('/api/log/connection-status')
-                .then(response => response.json())
-                .then(data => {
-                    console.log('SSE连接状态:', data);
-                    showInfo('连接状态信息已输出到控制台');
-                })
-                .catch(error => {
-                    showError('获取连接状态失败: ' + error.message);
-                });
-        });
+        var connectionStatusBtn = document.getElementById('connectionStatusBtn');
+        if (connectionStatusBtn) {
+            connectionStatusBtn.addEventListener('click', function() {
+                fetch('/api/log/connection-status')
+                    .then(response => response.json())
+                    .then(data => {
+                        console.log('SSE连接状态:', data);
+                        showInfo('连接状态信息已输出到控制台');
+                    })
+                    .catch(error => {
+                        showError('获取连接状态失败: ' + error.message);
+                    });
+            });
+        }
 
         testConnectionBtn.addEventListener('click', function() {
             fetch('/api/log/test-connection')