diff --git a/.gitignore b/.gitignore
index 349b6827febc563ef0c1da0d0c69756bb8dd57aa..d4205901ebb34b0c5cefbdb8cb8bdd0da360de60 100755
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-lite
\ No newline at end of file
+/lite
diff --git a/base/include/string_ex.h b/base/include/string_ex.h
index d9cbc77c44a677e6f84f5b1108e8e7d3441e9155..bcb7d4b12c572a36cb4fbeac5f5bc8db47619224 100755
--- a/base/include/string_ex.h
+++ b/base/include/string_ex.h
@@ -41,7 +41,7 @@ std::string ReplaceStr(const std::string& str, const std::string& src, const std
 std::string TrimStr(const std::string& str, const char cTrim = ' ');
 
 /**
- * The DexToHexString function convert dex to hex string.
+ * The DexToHexString function convert decimal to hexadecimal string.
  */
 std::string DexToHexString(int value, bool upper = true);