// app信息

galaxy/galaxy/Classes/Tools/Extention/UIDevice+Extension.swift

@@ -99,8 +99,10 @@ extension UIDevice {
     static func appVersion() -> String {
         let infoDictionary = Bundle.main.infoDictionary
         if let infoDictionary = infoDictionary {
-            let appVersion = infoDictionary["CFBundleShortVersionString"]
-            return appVersion as! String
+            if let appVersion = infoDictionary["CFBundleShortVersionString"] as? String {
+                return appVersion
+            }
+            
         }
         return " "
     }
@@ -109,8 +111,9 @@ extension UIDevice {
     static func appBuild() -> String {
         let infoDictionary = Bundle.main.infoDictionary
         if let infoDictionary = infoDictionary {
-            let appBuild = infoDictionary["CFBundleVersion"]
-            return appBuild as! String
+            if let appBuild = infoDictionary["CFBundleVersion"] as? String {
+                return appBuild
+            }
         }
         return " "
     }