diff --git a/src/main/scala/gitbucket/core/util/GpgUtil.scala b/src/main/scala/gitbucket/core/util/GpgUtil.scala
index c5f0a73..e6f50ab 100644
--- a/src/main/scala/gitbucket/core/util/GpgUtil.scala
+++ b/src/main/scala/gitbucket/core/util/GpgUtil.scala
@@ -1,8 +1,7 @@
 package gitbucket.core.util
+
 import java.io.ByteArrayInputStream
-
 import scala.jdk.CollectionConverters._
-
 import gitbucket.core.model.Profile._
 import gitbucket.core.model.Profile.profile.blockingApi._
 import org.bouncycastle.bcpg.ArmoredInputStream
@@ -34,29 +33,33 @@
   }
 
   def verifySign(signInfo: JGitUtil.GpgSignInfo)(implicit s: Session): Option[JGitUtil.GpgVerifyInfo] = {
-    new BcPGPObjectFactory(new ArmoredInputStream(new ByteArrayInputStream(signInfo.signArmored)))
-      .iterator()
-      .asScala
-      .flatMap {
-        case signList: PGPSignatureList =>
-          signList
-            .iterator()
-            .asScala
-            .flatMap { sign =>
-              getGpgKey(sign.getKeyID)
-                .map { pubKey =>
-                  sign.init(new BcPGPContentVerifierBuilderProvider, pubKey)
-                  sign.update(signInfo.target)
-                  (sign, pubKey)
-                }
-                .collect {
-                  case (sign, pubKey) if sign.verify() =>
-                    JGitUtil.GpgVerifyInfo(pubKey.getUserIDs.next, pubKey.getKeyID.toHexString.toUpperCase)
-                }
-            }
+    try {
+      new BcPGPObjectFactory(new ArmoredInputStream(new ByteArrayInputStream(signInfo.signArmored)))
+        .iterator()
+        .asScala
+        .flatMap {
+          case signList: PGPSignatureList =>
+            signList
+              .iterator()
+              .asScala
+              .flatMap { sign =>
+                getGpgKey(sign.getKeyID)
+                  .map { pubKey =>
+                    sign.init(new BcPGPContentVerifierBuilderProvider, pubKey)
+                    sign.update(signInfo.target)
+                    (sign, pubKey)
+                  }
+                  .collect {
+                    case (sign, pubKey) if sign.verify() =>
+                      JGitUtil.GpgVerifyInfo(pubKey.getUserIDs.next, pubKey.getKeyID.toHexString.toUpperCase)
+                  }
+              }
+        }
+        .toList
+        .headOption
+    } catch {
+      case _: Throwable => None
+    }
 
-      }
-      .toList
-      .headOption
   }
 }