Update Qt ts rule

Avoid unnecessary processing without source files

1 files changed, 1 insertions, 1 deletions

diff --git a/xmake/rules/qt/ts/xmake.lua b/xmake/rules/qt/ts/xmake.lua
index 9319fa2d4..ae141707e 100644
--- a/xmake/rules/qt/ts/xmake.lua
+++ b/xmake/rules/qt/ts/xmake.lua
@@ -21,7 +21,7 @@ rule("qt.ts")
                 end
             end
         end
-        if sourcefile_ts then
+        if sourcefile_ts and #source_files > 0 then
             -- save source files
             source_files = table.unique(source_files)
             local json_data = {