From aac2688a33ce3112d33af25688a968794eb4890a Mon Sep 17 00:00:00 2001
From: Frank <472730949@qq.com>
Date: Tue, 11 Nov 2025 12:36:21 +0800
Subject: [PATCH] Fix i18n problem that `NSBundle` initialization parameter
 cannot be nil.

---
 MJRefresh/NSBundle+MJRefresh.m | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/MJRefresh/NSBundle+MJRefresh.m b/MJRefresh/NSBundle+MJRefresh.m
index c19cbe85..02d08c6a 100644
--- a/MJRefresh/NSBundle+MJRefresh.m
+++ b/MJRefresh/NSBundle+MJRefresh.m
@@ -56,6 +56,7 @@ + (NSString *)mj_localizedStringForKey:(NSString *)key value:(NSString *)value
     
     // 如果没有缓存, 则走初始化逻辑
     if (mj_defaultI18nBundle == nil) {
+        mj_defaultI18nBundle = NSBundle.mainBundle;
         NSString *language = MJRefreshConfig.defaultConfig.languageCode;
         // 如果配置中没有配置语言
         if (!language) {
@@ -66,9 +67,13 @@ + (NSString *)mj_localizedStringForKey:(NSString *)key value:(NSString *)value
         bundle = bundle ? bundle : NSBundle.mainBundle;
         // 按语言选取语言包
         NSString *i18nFolderPath = [bundle pathForResource:language ofType:@"lproj"];
-        mj_defaultI18nBundle = [NSBundle bundleWithPath:i18nFolderPath];
-        // 检查语言包, 如果没有查找到, 则默认使用 mainBundle
-        mj_defaultI18nBundle = mj_defaultI18nBundle ? mj_defaultI18nBundle : NSBundle.mainBundle;
+        if (i18nFolderPath) {
+            NSBundle *i18nFolderBundle = [NSBundle bundleWithPath:i18nFolderPath];
+            // 检查语言包
+            if (i18nFolderBundle) {
+                mj_defaultI18nBundle = i18nFolderBundle;
+            }
+        }
         
         // 获取 MJRefresh 自有的语言包
         if (mj_systemI18nBundle == nil) {