edit

src/Database.php

@@ -1477,14 +1477,17 @@ class Database
                         $v = implode(',', $v);
                     }
                     
-                    $v = str_replace('-1', ',', $v);
-                    $v = str_replace(',,,', ',', $v);
-                    $v = str_replace(',,', ',', $v);
-                    $v = str_replace(',,', ',', $v);
-                    $param['option_' . $k] = $v;
+                    if ($v != -1) {
+                        $v = str_replace('-1', ',', $v);
+                        $v = str_replace(',,,', ',', $v);
+                        $v = str_replace(',,', ',', $v);
+                        $v = str_replace(',,', ',', $v);
 
-                    # 设定检索高亮
-                    $high[$k] = $v;
+                        $param['option_' . $k] = $v;
+
+                        # 设定检索高亮
+                        $high[$k] = $v;
+                    }
                 }
             }
             $this->search = true;