diff --git a/src/model/concern/OptimLock.php b/src/model/concern/OptimLock.php
index 5e61318337ac1d702e5f84774c129002ef506ecb..10d87d83a7446445216e507bb5bae7f6f8784f64 100644
--- a/src/model/concern/OptimLock.php
+++ b/src/model/concern/OptimLock.php
@@ -57,9 +57,10 @@ trait OptimLock
     {
         $optimLock = $this->getOptimLockField();
 
-        if ($optimLock && $lockVer = $this->getOrigin($optimLock)) {
+        if ($optimLock) {
             // 更新乐观锁
-            $this->set($optimLock, $lockVer + 1);
+            $lockVer = $this->getOrigin($optimLock)
+            $this->set($optimLock, intval($lockVer) + 1);
         }
     }