diff --git a/gradle/WeChatPublish.gradle b/gradle/WeChatPublish.gradle
index ff596eb3..89350bca 100644
--- a/gradle/WeChatPublish.gradle
+++ b/gradle/WeChatPublish.gradle
@@ -183,10 +183,9 @@ class WeChatPublishExtension {
 
     private void emitSigningConfig(Project project) {
         project.ext['signing.keyId'] = project.findProperty("signingKeyId")
+        project.ext['signing.password'] = project.findProperty("signingPassword")
+        project.ext['signing.secretKeyRingFile'] = project.findProperty("signingSecretKeyRingFile")
         project.signing {
-            def signingKey = project.findProperty("signingKey")
-            def signingPassword = project.findProperty("signingPassword")
-            useInMemoryPgpKeys(signingKey, signingPassword)
             project.publishing.publications.all { publication ->
                 sign publication
             }