chore:ipv prefer

tkinter_ui/prefer.py

@@ -32,13 +32,12 @@ class PreferUI:
         self.prefer_ipv_type_combo = ttk.Combobox(frame_prefer_ipv_type)
         self.prefer_ipv_type_combo.pack(side=tk.LEFT, padx=4, pady=8)
         self.prefer_ipv_type_combo["values"] = ("IPv4", "IPv6", "自动")
-        ipv_type_prefer = config.ipv_type_prefer[0]
-        if ipv_type_prefer == "ipv4":
-            self.prefer_ipv_type_combo.current(0)
-        elif ipv_type_prefer == "ipv6":
-            self.prefer_ipv_type_combo.current(1)
-        elif ipv_type_prefer in ["自动", "auto"]:
-            self.prefer_ipv_type_combo.current(2)
+        ipv_type_prefer = config.ipv_type_prefer
+        if ipv_type_prefer:
+            first_ipv_type_prefer = ipv_type_prefer[0]
+            prefer_map = {"ipv4": 0, "ipv6": 1, "自动": 2, "auto": 2}
+            if first_ipv_type_prefer in prefer_map:
+                self.prefer_ipv_type_combo.current(prefer_map[first_ipv_type_prefer])
         self.prefer_ipv_type_combo.bind(
             "<<ComboboxSelected>>", self.update_ipv_type_prefer
         )

utils/config.py

@@ -93,15 +93,17 @@ class ConfigManager:
 
     @property
     def ipv4_num(self):
-        return self.config.getint("Settings", "ipv4_num", fallback=5) if self.config.get(
-            "Settings", "ipv_type_prefer", fallback=""
-        ) else ""
+        try:
+            return self.config.getint("Settings", "ipv4_num", fallback=5)
+        except:
+            return ""
 
     @property
     def ipv6_num(self):
-        return self.config.getint("Settings", "ipv6_num", fallback=5) if self.config.get(
-            "Settings", "ipv_type_prefer", fallback=""
-        ) else ""
+        try:
+            return self.config.getint("Settings", "ipv6_num", fallback=5)
+        except:
+            return ""
 
     @property
     def ipv6_support(self):