1 files changed, 2 insertions, 1 deletions
diff --git a/src/main/java/com/juick/util/xmpp/JidConverter.java b/src/main/java/com/juick/util/xmpp/JidConverter.java
index 4f457164..5c40d470 100644
--- a/src/main/java/com/juick/util/xmpp/JidConverter.java
+++ b/src/main/java/com/juick/util/xmpp/JidConverter.java
@@ -18,13 +18,14 @@
 package com.juick.util.xmpp;
 
 import org.springframework.core.convert.converter.Converter;
+import org.springframework.lang.NonNull;
 import org.springframework.lang.Nullable;
 import rocks.xmpp.addr.Jid;
 
 public class JidConverter implements Converter<String, Jid> {
     @Nullable
     @Override
-    public Jid convert(String jidStr) {
+    public Jid convert(@NonNull String jidStr) {
         return Jid.of(jidStr);
     }
 }