diff --git a/src/main/idea/io/github/linwancen/plugin/show/java/JavaLangDoc.java b/src/main/idea/io/github/linwancen/plugin/show/java/JavaLangDoc.java
index 260ea1d..982ce3d 100644
--- a/src/main/idea/io/github/linwancen/plugin/show/java/JavaLangDoc.java
+++ b/src/main/idea/io/github/linwancen/plugin/show/java/JavaLangDoc.java
@@ -65,7 +65,10 @@ public class JavaLangDoc extends BaseTagLangDoc<PsiDocComment> {
                         if (navElement instanceof PsiMethod) {
                             resolve = (PsiMethod) navElement;
                         }
-                        return resolveDocPrint(info, resolve);
+                        @Nullable String s = resolveDocPrint(info, resolve);
+                        if (s != null) {
+                            return s;
+                        }
                     }
                 } catch (Throwable ignore) {
                     // ignore