diff --git a/packages/ui/certd-server/before-build.js b/packages/ui/certd-server/before-build.js
index 5265c0311..4632200ff 100644
--- a/packages/ui/certd-server/before-build.js
+++ b/packages/ui/certd-server/before-build.js
@@ -19,3 +19,4 @@ function slimming(filePath, find, rep) {
 slimming(filePath, find, rep);
 
 slimming("./tsconfig.json",`"sourceMap": true,`, `"sourceMap": false,`)
+slimming("./tsconfig.json",`"inlineSourceMap": true,`, `"inlineSourceMap": false,`)