diff --git a/main.py b/main.py
index c8b035c..ced387d 100644
--- a/main.py
+++ b/main.py
@@ -159,9 +159,9 @@ def scan_device_config(self):
     def choose_device_callback(self):
         self.put_log(f"[操作]切换设备类型{self.form.deviceTypeComboBox.currentText()}")
         board_bin = self.download.get_version_data()
-        # print(board_bin)
-        board = self.board_map[self.form.deviceTypeComboBox.currentIndex()]
-        self.form.binAddress.setText(board_bin[board])
+        if board_bin: # fix: https://fishros.org.cn/forum/topic/2502
+            board = self.board_map[self.form.deviceTypeComboBox.currentIndex()]
+            self.form.binAddress.setText(board_bin[board])
 
     def choose_config_callback(self):
         key = self.form.configKeyComboBox.currentText()
diff --git a/release-notes.md b/release-notes.md
index 50aec89..81057cb 100644
--- a/release-notes.md
+++ b/release-notes.md
@@ -1,5 +1,5 @@
 版本更新：
-- [fix]修复无FishBot Cmaera选项问题
+- [fix]修复获取固件失败后程序崩溃问题:https://fishros.org.cn/forum/topic/2502/
 
 
 版本说明：
diff --git a/test/test_dic.py b/test/test_dic.py
new file mode 100644
index 0000000..c129d02
--- /dev/null
+++ b/test/test_dic.py
@@ -0,0 +1,6 @@
+a = {}
+
+if a:
+    print('0000')
+else:
+    print('1111')
\ No newline at end of file