fix(*)

Author: liuchuancong

windows/packaging/exe/inno_setup.iss

@@ -63,15 +63,15 @@ Filename: "{app}\\{{EXECUTABLE_NAME}}"; Description: "{cm:LaunchProgram,{{DISPLA
 [Code]
 function GetDefaultDir(Param: String): String;
 var
-  DriveLetter: Char;
+  DriveLetter: String;  { Changed from Char to String }
   DrivePath: String;
   FoundDrive: Boolean;
 begin
   FoundDrive := False;
   Result := '';
   for DriveLetter := 'D' to 'Z' do
   begin
-    DrivePath := DriveLetter + ':\';
+    DrivePath := DriveLetter + ':\'; { Both sides are now Strings }
     if DirExists(DrivePath) then
     begin
       Result := DrivePath + '{{INSTALL_DIR_NAME}}';
@@ -83,4 +83,4 @@ begin
   begin
     Result := ExpandConstant('{localappdata}\') + '{{INSTALL_DIR_NAME}}';
   end;
-end;
+end;