diff --git a/ace-loader/main.product.js b/ace-loader/main.product.js
index 36f01e5..22a0efe 100644
--- a/ace-loader/main.product.js
+++ b/ace-loader/main.product.js
@@ -135,13 +135,7 @@ function validateCardModule(moduleJsonConfig) {
 }
 
 function hashProjectPath(projectPath) {
-  const ASSCIIStart = 65;
-  const ASSCIIEnd = 90;
-  const deviation = 1;
-  process.env.hashProjectPath =
-    String.fromCharCode(Math.floor(Math.random() * (ASSCIIEnd - ASSCIIStart + deviation) + ASSCIIStart)) +
-    md5(projectPath).substring(9, 16) +
-    String.fromCharCode(Math.floor(Math.random() * (ASSCIIEnd - ASSCIIStart + deviation) + ASSCIIStart));
+  process.env.hashProjectPath = "_" + md5(projectPath);
 }
 
 module.exports = {