diff --git a/application/src/main/java/run/halo/app/theme/service/ThemeServiceImpl.java b/application/src/main/java/run/halo/app/theme/service/ThemeServiceImpl.java
index 37a7b142d..1b6494b70 100644
--- a/application/src/main/java/run/halo/app/theme/service/ThemeServiceImpl.java
+++ b/application/src/main/java/run/halo/app/theme/service/ThemeServiceImpl.java
@@ -47,6 +47,7 @@ import run.halo.app.extension.ReactiveExtensionClient;
 import run.halo.app.extension.Unstructured;
 import run.halo.app.infra.SystemVersionSupplier;
 import run.halo.app.infra.ThemeRootGetter;
+import run.halo.app.infra.exception.ThemeAlreadyExistsException;
 import run.halo.app.infra.exception.ThemeUpgradeException;
 import run.halo.app.infra.exception.UnsatisfiedAttributeValueException;
 import run.halo.app.infra.properties.HaloProperties;
@@ -86,6 +87,10 @@ public class ThemeServiceImpl implements ThemeService {
                 log.warn("Failed to initialize theme from {}", location, e);
                 return Mono.empty();
             })
+            .onErrorResume(ThemeAlreadyExistsException.class, e -> {
+                log.warn("Failed to initialize theme from {}, because it already exists", location);
+                return Mono.empty();
+            })
             .then();
     }