fix: 修复编译错误

Lanu/Views/Settings/LNAboutViewController.swift

@@ -50,14 +50,14 @@ extension LNAboutViewController {
             make.top.equalTo(icon.snp.bottom).offset(7)
         }
         
-        var version: String = .init(key: "A00248", curAppVersion)
+        var versionStr: String = .init(key: "A00248", curAppVersion)
         
 #if DEBUG
-        version += "(\(curBuildVersion)"
+        versionStr += "(\(curBuildVersion)"
 #endif
         
         let versionLabel = UILabel()
-        versionLabel.text = version
+        versionLabel.text = versionStr
         versionLabel.font = .body_s
         versionLabel.textColor = .text_5
         view.addSubview(versionLabel)