diff --git a/bukkit/build.gradle.kts b/bukkit/build.gradle.kts
index 0d7569af6..6dea04b48 100644
--- a/bukkit/build.gradle.kts
+++ b/bukkit/build.gradle.kts
@@ -111,12 +111,21 @@ tasks {
 publishing {
     repositories {
         maven {
+            name = "releases"
             url = uri("https://repo.momirealms.net/releases")
             credentials(PasswordCredentials::class) {
                 username = System.getenv("REPO_USERNAME")
                 password = System.getenv("REPO_PASSWORD")
             }
         }
+        maven {
+            name = "snapshot"
+            url = uri("https://repo.momirealms.net/snapshots")
+            credentials(PasswordCredentials::class) {
+                username = System.getenv("REPO_USERNAME")
+                password = System.getenv("REPO_PASSWORD")
+            }
+        }
     }
     publications {
         create<MavenPublication>("mavenJava") {
@@ -137,5 +146,35 @@ publishing {
                 }
             }
         }
+        create<MavenPublication>("mavenJavaSnapshot") {
+            groupId = "net.momirealms"
+            artifactId = "craft-engine-bukkit"
+            version = "${rootProject.properties["project_version"]}-SNAPSHOT"
+            artifact(tasks["sourcesJar"])
+            from(components["shadow"])
+            pom {
+                name = "CraftEngine API"
+                url = "https://github.com/Xiao-MoMi/craft-engine"
+                licenses {
+                    license {
+                        name = "GNU General Public License v3.0"
+                        url = "https://www.gnu.org/licenses/gpl-3.0.html"
+                        distribution = "repo"
+                    }
+                }
+            }
+        }
     }
 }
+
+tasks.register("publishRelease") {
+    group = "publishing"
+    description = "Publishes to the release repository"
+    dependsOn("publishMavenJavaPublicationToReleaseRepository")
+}
+
+tasks.register("publishSnapshot") {
+    group = "publishing"
+    description = "Publishes to the snapshot repository"
+    dependsOn("publishMavenJavaSnapshotPublicationToSnapshotRepository")
+}
\ No newline at end of file
diff --git a/core/build.gradle.kts b/core/build.gradle.kts
index be15d9371..6c138b529 100644
--- a/core/build.gradle.kts
+++ b/core/build.gradle.kts
@@ -116,12 +116,21 @@ tasks {
 publishing {
     repositories {
         maven {
+            name = "releases"
             url = uri("https://repo.momirealms.net/releases")
             credentials(PasswordCredentials::class) {
                 username = System.getenv("REPO_USERNAME")
                 password = System.getenv("REPO_PASSWORD")
             }
         }
+        maven {
+            name = "snapshot"
+            url = uri("https://repo.momirealms.net/snapshots")
+            credentials(PasswordCredentials::class) {
+                username = System.getenv("REPO_USERNAME")
+                password = System.getenv("REPO_PASSWORD")
+            }
+        }
     }
     publications {
         create<MavenPublication>("mavenJava") {
@@ -142,5 +151,35 @@ publishing {
                 }
             }
         }
+        create<MavenPublication>("mavenJavaSnapshot") {
+            groupId = "net.momirealms"
+            artifactId = "craft-engine-core"
+            version = "${rootProject.properties["project_version"]}-SNAPSHOT"
+            artifact(tasks["sourcesJar"])
+            from(components["shadow"])
+            pom {
+                name = "CraftEngine API"
+                url = "https://github.com/Xiao-MoMi/craft-engine"
+                licenses {
+                    license {
+                        name = "GNU General Public License v3.0"
+                        url = "https://www.gnu.org/licenses/gpl-3.0.html"
+                        distribution = "repo"
+                    }
+                }
+            }
+        }
     }
+}
+
+tasks.register("publishRelease") {
+    group = "publishing"
+    description = "Publishes to the release repository"
+    dependsOn("publishMavenJavaPublicationToReleaseRepository")
+}
+
+tasks.register("publishSnapshot") {
+    group = "publishing"
+    description = "Publishes to the snapshot repository"
+    dependsOn("publishMavenJavaSnapshotPublicationToSnapshotRepository")
 }
\ No newline at end of file
diff --git a/core/src/main/java/net/momirealms/craftengine/core/pack/host/impl/SelfHostHttpServer.java b/core/src/main/java/net/momirealms/craftengine/core/pack/host/impl/SelfHostHttpServer.java
index 755afe7dc..9a88c719c 100644
--- a/core/src/main/java/net/momirealms/craftengine/core/pack/host/impl/SelfHostHttpServer.java
+++ b/core/src/main/java/net/momirealms/craftengine/core/pack/host/impl/SelfHostHttpServer.java
@@ -294,9 +294,8 @@ public class SelfHostHttpServer {
         }
 
         private boolean checkIpRateLimit(String clientIp) {
-            Bucket rateLimiter = ipRateLimiters.get(clientIp, k ->
-                    Bucket.builder().addLimit(limitPerIp).build()
-            );
+            if (limitPerIp == null) return true;
+            Bucket rateLimiter = ipRateLimiters.get(clientIp, k -> Bucket.builder().addLimit(limitPerIp).build());
             assert rateLimiter != null;
             return rateLimiter.tryConsume(1);
         }
diff --git a/core/src/main/java/net/momirealms/craftengine/core/util/LazyReference.java b/core/src/main/java/net/momirealms/craftengine/core/util/LazyReference.java
index 1a1fcfe89..bba794fd8 100644
--- a/core/src/main/java/net/momirealms/craftengine/core/util/LazyReference.java
+++ b/core/src/main/java/net/momirealms/craftengine/core/util/LazyReference.java
@@ -6,6 +6,8 @@ public interface LazyReference<T> {
     
     T get();
 
+    boolean initialized();
+
     static <T> LazyReference<T> lazyReference(final Supplier<T> supplier) {
         return new LazyReference<>() {
             private T value;
@@ -17,6 +19,11 @@ public interface LazyReference<T> {
                 }
                 return this.value;
             }
+
+            @Override
+            public boolean initialized() {
+                return this.value != null;
+            }
         };
     }
 }