diff --git a/api/src/main/java/com/alibaba/nacos/api/annotation/NacosProperties.java b/api/src/main/java/com/alibaba/nacos/api/annotation/NacosProperties.java
index 6718bb98b44..4d555c3548c 100644
--- a/api/src/main/java/com/alibaba/nacos/api/annotation/NacosProperties.java
+++ b/api/src/main/java/com/alibaba/nacos/api/annotation/NacosProperties.java
@@ -154,7 +154,7 @@
     /**
      * The placeholder of {@link NacosProperties#ENABLE_REMOTE_SYNC_CONFIG enableRemoteSyncConfig}, the value is <code>"${nacos.enableRemoteSyncConfig:}"</code>
      */
-    String ENABLE_REMOTE_SYNC_CONFIG_PLACEHOLDER = "${" + PREFIX + ENABLE_REMOTE_SYNC_CONFIG + "}";
+    String ENABLE_REMOTE_SYNC_CONFIG_PLACEHOLDER = "${" + PREFIX + ENABLE_REMOTE_SYNC_CONFIG + ":}";
 
     /**
      * The property of "endpoint"