更新 install.mel

install.mel

@@ -87,12 +87,16 @@ global proc installMCPPlugin() {
     
     // Load the plugin
     print("Loading plugin...\n");
-    if (!`pluginInfo -q -loaded $pluginPath`) {
+    if (`pluginInfo -q -loaded $pluginPath`) {
+        // If plugin is already loaded, unload it first
+        print("Plugin already loaded, unloading first...\n");
+        evalEcho("unloadPlugin \"" + $pluginPath + "\"");
+        print("Plugin unloaded\n");
+    }
+    
+    // Load the plugin
     evalEcho("loadPlugin \"" + $pluginPath + "\"");
     print("Plugin loaded successfully\n");
-    } else {
-        print("Plugin already loaded\n");
-    }
     
     // Set plugin to auto load
     print("Setting plugin to auto load...\n");
@@ -122,10 +126,43 @@ global proc uninstallMCPPlugin() {
     // Unload plugin
     print("Unloading plugin...\n");
     if (`pluginInfo -q -loaded $pluginPath`) {
+        // Try to remove MCP menu before unloading plugin
+        print("Removing MCP menu...\n");
+        if (`menu -exists "MCPMenu"`) {
+            deleteUI -menu "MCPMenu";
+            print("MCPMenu removed successfully\n");
+        } else {
+            // Try to find any menu containing MCP in its label
+            string $allMenus[] = `lsUI -menus`;
+            int $menuFound = 0;
+            for ($menu in $allMenus) {
+                if (`menu -q -exists $menu`) {
+                    string $label = `menu -q -label $menu`;
+                    if ($label == "MCP") {
+                        deleteUI -menu $menu;
+                        print("MCP menu found and removed: " + $menu + "\n");
+                        $menuFound = 1;
+                        break;
+                    }
+                }
+            }
+            
+            if (!$menuFound) {
+                print("No MCP menu found to remove\n");
+            }
+        }
+        
+        // Now unload the plugin
         evalEcho("unloadPlugin \"" + $pluginPath + "\"");
         print("Plugin unloaded successfully\n");
     } else {
         print("Plugin not loaded, no need to unload\n");
+        
+        // Still try to remove any MCP menu that might exist
+        if (`menu -exists "MCPMenu"`) {
+            deleteUI -menu "MCPMenu";
+            print("MCPMenu removed successfully\n");
+        }
     }
     
     // Disable auto load