diff --git a/YLErpWeb/Controllers/CommonController.cs b/YLErpWeb/Controllers/CommonController.cs
index 67bbce1c..05983174 100644
--- a/YLErpWeb/Controllers/CommonController.cs
+++ b/YLErpWeb/Controllers/CommonController.cs
@@ -60,5 +60,20 @@
             }
         }
 
+        [HttpPost]
+        public IActionResult LogSensors([FromBody] SensorsLogModel model)
+        {
+            var logger = LogFactory.GetLogger("SensorsDiag");
+            logger.Info($"[SensorsLog] uid={model?.Uid ?? "NULL"} platform={model?.Platform ?? "NULL"} ua={model?.Ua ?? "NULL"} url={model?.Url ?? "NULL"}");
+            return Ok();
+        }
+    }
+
+    public class SensorsLogModel
+    {
+        public string Uid { get; set; }
+        public string Platform { get; set; }
+        public string Ua { get; set; }
+        public string Url { get; set; }
     }
 }
diff --git a/YLErpWeb/Views/Shared/_MainLayout.cshtml b/YLErpWeb/Views/Shared/_MainLayout.cshtml
index 7c694e14..4a9d6388 100644
--- a/YLErpWeb/Views/Shared/_MainLayout.cshtml
+++ b/YLErpWeb/Views/Shared/_MainLayout.cshtml
@@ -121,6 +121,25 @@
                 sensors.setOnceProfile({ userId: '@CurUser.OaAccount', name: '@CurUser.UserName' });
             }
 
+            // 神策诊断日志（精简版）
+            (function () {
+                try {
+                    var diag = {
+                        uid: '@CurUser?.UserId' || 'NULL',
+                        platform: sensorsConfig._platformType || 'onederiv',
+                        ua: (navigator.userAgent || '').substring(0, 50) || 'NULL',
+                        url: location.href
+                    };
+                    $.ajax({
+                        url: '/common/LogSensors',
+                        type: 'POST',
+                        contentType: 'application/json',
+                        data: JSON.stringify(diag),
+                        async: true
+                    });
+                } catch (e) { }
+            })();
+
             window.saTrack = function (eventName, props) {
                 try {
                     if (!window.sensors || !sensors.track) { return; }