diff --git a/tutorials/source_en/advanced_use/distributed_training.md b/tutorials/source_en/advanced_use/distributed_training.md
index 4c61f175a3a0f9f2b5e403c7c40eaaa86f5f266f..ec6dad0a4b0a1ccc2b27728a6b5c036b6761f545 100644
--- a/tutorials/source_en/advanced_use/distributed_training.md
+++ b/tutorials/source_en/advanced_use/distributed_training.md
@@ -72,7 +72,7 @@ The following uses the Ascend 910 AI processor as an example. The JSON configura
                 {"devices": [{"device_id": "4","device_ip": "192.1.27.7"}],"rank_id": "4","server_id": "10.155.111.140"},
                 {"devices": [{"device_id": "5","device_ip": "192.2.27.7"}],"rank_id": "5","server_id": "10.155.111.140"},
                 {"devices": [{"device_id": "6","device_ip": "192.3.27.7"}],"rank_id": "6","server_id": "10.155.111.140"},
-                {"devices": [{"device_id": "7","device_ip": "192.4.27.7"}],"rank_id": "7","server_id": "10.155.111.140"},
+                {"devices": [{"device_id": "7","device_ip": "192.4.27.7"}],"rank_id": "7","server_id": "10.155.111.140"}
                 ]
         }
     ],
diff --git a/tutorials/source_zh_cn/advanced_use/distributed_training.md b/tutorials/source_zh_cn/advanced_use/distributed_training.md
index 4ca5fb796cd59a1dda3ebec43bf50bef749ed95c..9613cdb56675ae3e6315a1ef2ada73263cca6e18 100644
--- a/tutorials/source_zh_cn/advanced_use/distributed_training.md
+++ b/tutorials/source_zh_cn/advanced_use/distributed_training.md
@@ -72,7 +72,7 @@
                 {"devices": [{"device_id": "4","device_ip": "192.1.27.7"}],"rank_id": "4","server_id": "10.155.111.140"},
                 {"devices": [{"device_id": "5","device_ip": "192.2.27.7"}],"rank_id": "5","server_id": "10.155.111.140"},
                 {"devices": [{"device_id": "6","device_ip": "192.3.27.7"}],"rank_id": "6","server_id": "10.155.111.140"},
-                {"devices": [{"device_id": "7","device_ip": "192.4.27.7"}],"rank_id": "7","server_id": "10.155.111.140"},
+                {"devices": [{"device_id": "7","device_ip": "192.4.27.7"}],"rank_id": "7","server_id": "10.155.111.140"}
                 ]
         }
     ],