diff --git a/dubbo-config/dubbo-config-spring/src/main/resources/META-INF/dubbo.xsd b/dubbo-config/dubbo-config-spring/src/main/resources/META-INF/dubbo.xsd
index 94809fd480f..65df01c96ff 100644
--- a/dubbo-config/dubbo-config-spring/src/main/resources/META-INF/dubbo.xsd
+++ b/dubbo-config/dubbo-config-spring/src/main/resources/META-INF/dubbo.xsd
@@ -589,6 +589,11 @@
 						<xsd:documentation><![CDATA[ The method name (method.toString()). ]]></xsd:documentation>
 					</xsd:annotation>
 				</xsd:attribute>
+				<xsd:attribute name="executes" type="xsd:string" use="optional">
+					<xsd:annotation>
+						<xsd:documentation><![CDATA[ The max active requests. ]]></xsd:documentation>
+					</xsd:annotation>
+				</xsd:attribute>
 				<xsd:attribute name="stat" type="xsd:string" use="optional" default="-1">
 					<xsd:annotation>
 						<xsd:documentation><![CDATA[ The method parameter index for statistics. ]]></xsd:documentation>
diff --git a/dubbo-registry/dubbo-registry-redis/src/main/java/com/alibaba/dubbo/registry/redis/RedisRegistry.java b/dubbo-registry/dubbo-registry-redis/src/main/java/com/alibaba/dubbo/registry/redis/RedisRegistry.java
index efa9c33e35b..b754d953305 100644
--- a/dubbo-registry/dubbo-registry-redis/src/main/java/com/alibaba/dubbo/registry/redis/RedisRegistry.java
+++ b/dubbo-registry/dubbo-registry-redis/src/main/java/com/alibaba/dubbo/registry/redis/RedisRegistry.java
@@ -604,6 +604,8 @@ public void run() {
                                     }
                                 } catch (Throwable t) { // 重试另一台
                                     logger.warn("Failed to subscribe service from redis registry. registry: " + entry.getKey() + ", cause: " + t.getMessage(), t);
+                                    // 如果在单台redis的情况下，需要休息一会，避免空转占用过多cpu资源
+                                    sleep(reconnectPeriod);
                                 }
                             }
                         } catch (Throwable t) {