update readme

Author: sting_bo

README.md

@@ -39,14 +39,21 @@ $order = new Order($uuid, $oid, $symbol, $transaction, $volume, $price);
 ```php
 return [
     'mengine' => [
-        // Transaction types, not to be changed
+        // Transaction types, not subject to change.
         'transaction' => [
             'buy',
             'sell',
         ],
-        // Precision, can be changed
-        'accuracy' => 8, //default        
-        'test2usdt_accuracy' => 4, // Set precision for the trading pair, if not set, use accuracy
+
+        // Default precision, can be changed.
+        'accuracy' => 8,
+        // If the precision for the trading pair is set, use it; otherwise, take the default accuracy.
+        'abc2usdt_accuracy' => 6, // Example of a trading pair
+        'test2usdt_accuracy' => 7, // Example of a trading pair
+
+        // If strict mode is set to true, it will validate that the decimal places of the transaction volume or price must be less than the configured length, otherwise the order will fail.
+        // If strict mode is set to false, the data will be truncated to the configured decimal places length.
+        'strict_mode' => false,
     ],
 ];
 ```

README_CN.md

@@ -42,9 +42,16 @@ return [
             'buy',
             'sell',
         ],
-        // 精度，可更改
-        'accuracy' => 8, //default        
-        'test2usdt_accuracy' => 4, //设置交易对精度则使用，没有则取accuracy
+        
+        // 默认精度，可更改
+        'accuracy' => 8,
+        // 设置了交易对精度则使用，没有则取accuracy
+        'abc2usdt_accuracy' => 6, // 交易对示例
+        'test2usdt_accuracy' => 7, // 交易对示例
+        
+        // 如果严格模式为true，会校验交易量或价格的小数位长度必须小于设置的长度，否则会下单失败
+        // 如果严格模式为false，则会截断数据到设定的小数位长度
+        'strict_mode' => false,
     ],
 ];