diff --git a/cocos/platform/CCCommon.h b/cocos/platform/CCCommon.h
index a81fcb6280..b2707d2e8b 100644
--- a/cocos/platform/CCCommon.h
+++ b/cocos/platform/CCCommon.h
@@ -67,7 +67,8 @@ enum class LanguageType
     POLISH,
     TURKISH,
     UKRAINIAN,
-    ROMANIAN
+    ROMANIAN,
+    BULGARIAN
 };
 
 // END of platform group
diff --git a/cocos/platform/android/CCApplication-android.cpp b/cocos/platform/android/CCApplication-android.cpp
index fb55ae001c..dacc0a33b1 100644
--- a/cocos/platform/android/CCApplication-android.cpp
+++ b/cocos/platform/android/CCApplication-android.cpp
@@ -188,6 +188,10 @@ LanguageType Application::getCurrentLanguage()
     {
         ret = LanguageType::ROMANIAN;
     }
+    else if (0 == strcmp("bg", pLanguageName))
+    {
+        ret = LanguageType::BULGARIAN;
+    }
     return ret;
 }
 
diff --git a/cocos/platform/ios/CCApplication-ios.mm b/cocos/platform/ios/CCApplication-ios.mm
index 8563079159..0d515a575f 100644
--- a/cocos/platform/ios/CCApplication-ios.mm
+++ b/cocos/platform/ios/CCApplication-ios.mm
@@ -161,6 +161,9 @@ LanguageType Application::getCurrentLanguage()
     else if ([languageCode isEqualToString:@"ro"]){
         ret = LanguageType::ROMANIAN;
     }
+    else if ([languageCode isEqualToString:@"bg"]){
+        ret = LanguageType::BULGARIAN;
+    }
     return ret;
 }
 
diff --git a/cocos/platform/linux/CCApplication-linux.cpp b/cocos/platform/linux/CCApplication-linux.cpp
index 3302759c67..e88d064cf6 100644
--- a/cocos/platform/linux/CCApplication-linux.cpp
+++ b/cocos/platform/linux/CCApplication-linux.cpp
@@ -257,6 +257,10 @@ LanguageType Application::getCurrentLanguage()
     {
         ret = LanguageType::ROMANIAN;
     }
+    else if (0 == strcmp("bg", pLanguageName))
+    {
+        ret = LanguageType::BULGARIAN;
+    }
     
     return ret;
 }
diff --git a/cocos/platform/mac/CCApplication-mac.mm b/cocos/platform/mac/CCApplication-mac.mm
index b9a7c64e9f..8593d58b7e 100644
--- a/cocos/platform/mac/CCApplication-mac.mm
+++ b/cocos/platform/mac/CCApplication-mac.mm
@@ -215,6 +215,9 @@ LanguageType Application::getCurrentLanguage()
     else if ([languageCode isEqualToString:@"ro"]){
         ret = LanguageType::ROMANIAN;
     }
+    else if ([languageCode isEqualToString:@"bg"]){
+        ret = LanguageType::BULGARIAN;
+    }
     return ret;
 }
 
diff --git a/cocos/platform/win32/CCApplication-win32.cpp b/cocos/platform/win32/CCApplication-win32.cpp
index 4d16d4f93f..6e2579b0b6 100644
--- a/cocos/platform/win32/CCApplication-win32.cpp
+++ b/cocos/platform/win32/CCApplication-win32.cpp
@@ -194,6 +194,9 @@ LanguageType Application::getCurrentLanguage()
         case LANG_ROMANIAN:
             ret = LanguageType::ROMANIAN;
             break;
+        case LANG_BULGARIAN:
+            ret = LanguageType::BULGARIAN;
+            break;
     }
     
     return ret;
diff --git a/cocos/platform/winrt/CCApplication.cpp b/cocos/platform/winrt/CCApplication.cpp
index d7d2410c95..8f1bf87280 100644
--- a/cocos/platform/winrt/CCApplication.cpp
+++ b/cocos/platform/winrt/CCApplication.cpp
@@ -205,6 +205,10 @@ LanguageType Application::getCurrentLanguage()
     {
         ret = LanguageType::ROMANIAN;
     }
+    else if (strncmp(code, "bg", 2) == 0)
+    {
+        ret = LanguageType::BULGARIAN;
+    }
     return ret;
 }