diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index a1751bc72..1ced8b4e0 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -257,8 +257,8 @@
 
 # Cronet
 -keep class org.chromium.net.X509Util {
-    private static sDefaultTrustManager;
-    private static sTestTrustManager;
+    private static X509TrustManagerExtensions sDefaultTrustManager;
+    private static X509TrustManagerExtensions sTestTrustManager;
 }
 
 # Class.forName调用