diff --git a/api/src/controllers/internal/Execution.ts b/api/src/controllers/internal/Execution.ts
index 29210af..1df3703 100644
--- a/api/src/controllers/internal/Execution.ts
+++ b/api/src/controllers/internal/Execution.ts
@@ -293,7 +293,7 @@ ${preProgramVarStatments}
 ${program}
 
 /* write webout file*/
-fs.promises.writeFile(weboutPath, JSON.stringify(webout))
+fs.promises.writeFile(weboutPath, _webout)
 `
 
     // todo: modify this commented block for js runtime