diff --git a/config/global.php b/config/global.php
index 4d367baf..919c42a7 100644
--- a/config/global.php
+++ b/config/global.php
@@ -38,7 +38,11 @@ $config['sql_config'] = [
     'sql_database' => 'db_name',
     'sql_password' => '',
     'sql_enable_cache' => true,
-    'sql_reset_cache' => '0300'
+    'sql_reset_cache' => '0300',
+    'sql_options' => [
+        PDO::ATTR_STRINGIFY_FETCHES => false,
+        PDO::ATTR_EMULATE_PREPARES => false
+    ]
 ];
 
 /** CQHTTP连接约定的token */
diff --git a/src/ZM/DB/WhereBody.php b/src/ZM/DB/WhereBody.php
index ec5ca4de..2ede73f1 100644
--- a/src/ZM/DB/WhereBody.php
+++ b/src/ZM/DB/WhereBody.php
@@ -9,7 +9,7 @@ trait WhereBody
     protected $where_thing = [];
 
     public function where($column, $operation_or_value, $value = null) {
-        if (!in_array($operation_or_value, ['=', '!='])) $this->where_thing['='][$column] = $operation_or_value;
+        if (!in_array($operation_or_value, ['=', '!=', '>', '<', '>=', '<=', 'IN', 'in'])) $this->where_thing['='][$column] = $operation_or_value;
         elseif ($value !== null) $this->where_thing[$operation_or_value][$column] = $value;
         else $this->where_thing['='][$column] = $operation_or_value;
         return $this;
diff --git a/src/ZM/Event/EventHandler.php b/src/ZM/Event/EventHandler.php
index b6d33656..0dafdf80 100644
--- a/src/ZM/Event/EventHandler.php
+++ b/src/ZM/Event/EventHandler.php
@@ -85,7 +85,7 @@ class EventHandler
                         " [" . $param1->getStatusCode() . "] " . $param0->server["request_uri"]
                     );
                     if (!$param1->isEnd()) $param1->end("Internal server error: " . $e->getMessage());
-                    Console::error("Internal server error (500), caused by uncaught exception.");
+                    Console::error("Internal server exception (500), caused by ".get_class($e));
                     Console::log($e->getTraceAsString(), "gray");
                 } catch (Error $e) {
                     /** @var Response $param1 */
diff --git a/src/ZM/Event/Swoole/RequestEvent.php b/src/ZM/Event/Swoole/RequestEvent.php
index e4424c1e..83b38552 100644
--- a/src/ZM/Event/Swoole/RequestEvent.php
+++ b/src/ZM/Event/Swoole/RequestEvent.php
@@ -42,7 +42,7 @@ class RequestEvent implements SwooleEvent
             $this->response->setHeader($k, $v);
         }
         $uri = $this->request->server["request_uri"];
-        Console::verbose($this->request->server["remote_addr"]." request ".$uri);
+        Console::verbose($this->request->server["remote_addr"] . " request " . $uri);
         $uri = explode("/", $uri);
         $uri = array_diff($uri, ["..", "", "."]);
         $node = ZMBuf::$req_mapping;
diff --git a/src/ZM/Event/Swoole/WorkerStartEvent.php b/src/ZM/Event/Swoole/WorkerStartEvent.php
index a996c356..b45462d3 100644
--- a/src/ZM/Event/Swoole/WorkerStartEvent.php
+++ b/src/ZM/Event/Swoole/WorkerStartEvent.php
@@ -102,7 +102,7 @@ class WorkerStartEvent implements SwooleEvent
                 ->withCharset('utf8mb4')
                 ->withUsername($sql["sql_username"])
                 ->withPassword($sql["sql_password"])
-                ->withOptions([PDO::ATTR_STRINGIFY_FETCHES => false])
+                ->withOptions($sql["sql_options"] ?? [PDO::ATTR_STRINGIFY_FETCHES => false])
             );
             DB::initTableList();
         }