diff --git a/library/think/db/Query.php b/library/think/db/Query.php
index 108d12cc..e03ad8a7 100644
--- a/library/think/db/Query.php
+++ b/library/think/db/Query.php
@@ -2399,7 +2399,7 @@ class Query
     {
         if (is_scalar($value)) {
             $data = $value;
-        } elseif (is_array($value) && 'eq' == strtolower($value[0])) {
+        } elseif (is_array($value) && is_string($value[0]) && 'eq' == strtolower($value[0])) {
             $data = $value[1];
         }
         if (isset($data)) {