diff --git a/payapi-spec/build.gradle b/payapi-spec/build.gradle
index 57f22e8..7d09e45 100644
--- a/payapi-spec/build.gradle
+++ b/payapi-spec/build.gradle
@@ -36,7 +36,7 @@
     ]
 
     systemProperties = [
-            "hideGenerationTimestamp": true
+            "hideGenerationTimestamp": "true"
     ]
 }
 
@@ -54,5 +54,3 @@
     }
     into "$rootProject.projectDir/payapi-common/src/main/java/com/supwisdom/dlpay/payapi/model"
 }
-
-//copySrc.dependsOn openApiGenerate
\ No newline at end of file