diff --git a/library/think/db/Query.php b/library/think/db/Query.php
index eb86d43b..191cc821 100644
--- a/library/think/db/Query.php
+++ b/library/think/db/Query.php
@@ -609,7 +609,7 @@ class Query
                 return true;
             }
         }
-        return $this->setField($field, ['inc', $field, $step]);
+        return $this->setField($field, ['inc', $step]);
     }
 
     /**
@@ -637,9 +637,9 @@ class Query
                 $this->options = [];
                 return true;
             }
-            return $this->setField($field, ['inc', $field, $step]);
+            return $this->setField($field, ['inc', $step]);
         }
-        return $this->setField($field, ['dec', $field, $step]);
+        return $this->setField($field, ['dec', $step]);
     }
 
     /**