diff --git a/yiiguxing.translation.xml b/yiiguxing.translation.xml
index 4893a91..87f38e9 100644
--- a/yiiguxing.translation.xml
+++ b/yiiguxing.translation.xml
@@ -22,6 +22,7 @@
     <option name="translationDialogLocationY" value="567" />
     <option name="translationDialogWidth" value="1381" />
     <histories>
+      <item value="On Linux and OS X a normal exit code will be a positive value in the range `[0..255]`. If the process was terminated due to a signal the exit code will be a negative value in the range `[-255..-1]`, where the absolute value of the exit code is the signal number. For example, if a process crashes due to a segmentation violation the exit code will be -11, as the signal SIGSEGV has the number 11." />
       <item value="This constructor is only guaranteed to work when invoked as `const`. It may work as a non-constant invocation on some platforms which have access to compiler options at run-time, but most ahead-of-time compiled platforms will not have this information." />
       <item value="The compilation configuration environment is not the same as the environment variables of a POSIX process. Those can be accessed on native platforms using `Platform.environment` from the `dart:io` library." />
       <item value="increame" />
@@ -71,7 +72,6 @@
       <item value="specular" />
       <item value="shininess" />
       <item value="bump scale" />
-      <item value="[parameters] - (optional) an object with one or more properties defining the material's appearance. Any property of the material (including any property inherited from [Material]) can be passed in here. The exception is the property [color], which can be passed in as a hexadecimal int and is 0xffffff (white) by default. [Color] is called internally." />
     </histories>
     <option name="languageScores">
       <map>