diff --git a/hippo4j-config/src/main/java/cn/hippo4j/config/service/biz/impl/ConfigServiceImpl.java b/hippo4j-config/src/main/java/cn/hippo4j/config/service/biz/impl/ConfigServiceImpl.java
index 5b4b3f9e..4f05f7dc 100644
--- a/hippo4j-config/src/main/java/cn/hippo4j/config/service/biz/impl/ConfigServiceImpl.java
+++ b/hippo4j-config/src/main/java/cn/hippo4j/config/service/biz/impl/ConfigServiceImpl.java
@@ -17,10 +17,15 @@ import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.core.toolkit.StringUtils;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.toolkit.SqlHelper;
+import com.google.common.collect.Lists;
 import lombok.AllArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+import java.util.concurrent.LinkedTransferQueue;
+import java.util.concurrent.SynchronousQueue;
+
 /**
  * Config service impl.
  *
@@ -100,6 +105,7 @@ public class ConfigServiceImpl implements ConfigService {
                 .eq(ConfigAllInfo::getTenantId, config.getTenantId());
 
         config.setGmtCreate(null);
+        config.setCapacity(getQueueCapacityByType(config));
         config.setContent(ContentUtil.getPoolContent(config));
         config.setMd5(Md5Util.getTpContentMd5(config));
 
@@ -111,4 +117,17 @@ public class ConfigServiceImpl implements ConfigService {
         }
     }
 
+    /**
+     * 根据队列类型获取队列大小.
+     * <p>
+     * 不支持设置队列大小 {@link SynchronousQueue} {@link LinkedTransferQueue}
+     *
+     * @param config
+     * @return
+     */
+    private Integer getQueueCapacityByType(ConfigAllInfo config) {
+        List<Integer> noCapacityBlockingQueues = Lists.newArrayList(4, 5);
+        return noCapacityBlockingQueues.contains(config.getQueueType()) ? 0 : config.getCapacity();
+    }
+
 }