diff --git a/Easydict/Feature/Service/Niutrans/EZNiuTransTranslate.m b/Easydict/Feature/Service/Niutrans/EZNiuTransTranslate.m
index cbfaeb17d..839737895 100644
--- a/Easydict/Feature/Service/Niutrans/EZNiuTransTranslate.m
+++ b/Easydict/Feature/Service/Niutrans/EZNiuTransTranslate.m
@@ -120,7 +120,7 @@ - (BOOL)hasPrivateAPIKey {
 }
 
 - (NSInteger)totalFreeQueryCharacterCount {
-    return 300 * 10000;
+    return 800 * 10000;
 }
 
 #pragma mark - NiuTrans API