diff --git a/extend/service/CarInfoHandle.php b/extend/service/CarInfoHandle.php
index 3ce7240..bdaee7b 100644
--- a/extend/service/CarInfoHandle.php
+++ b/extend/service/CarInfoHandle.php
@@ -348,7 +348,7 @@ class CarInfoHandle
                                 CarInfoT::destroy($source['id']);
                                 unset($sources[$index]);
                             }
-                            if (isset($source[$index])) {
+                            if (isset($sources[$index])) {
                                 CarInfoT::destroy($source['id']);
                                 unset($sources[$index]);
                             }