diff --git a/docs/mindspore/source_en/model_train/parallel/dynamic_cluster.md b/docs/mindspore/source_en/model_train/parallel/dynamic_cluster.md
index 1d6373908e17b971c7d43d975d21cca5974e6d5a..490e416c64fdae707bf3f11c2d6b5d1b1cc5234f 100644
--- a/docs/mindspore/source_en/model_train/parallel/dynamic_cluster.md
+++ b/docs/mindspore/source_en/model_train/parallel/dynamic_cluster.md
@@ -118,7 +118,7 @@ The relevant environment variables:
         <td align="left" style="white-space:nowrap">MS_NODE_TIMEOUT</td>
         <td align="left">Node heartbeat timeout in seconds。</td>
         <td align="left" style="white-space:nowrap">Integer</td>
-        <td align="left">The default is 300 seconds.</td>
+        <td align="left">The default is 30 seconds.</td>
         <td align="left">This value represents the heartbeat timeout time between the scheduler and the worker. If there are no heartbeat messages within this time window, the cluster will exit abnormally.</td>
     </tr>
     <tr>
diff --git a/docs/mindspore/source_en/model_train/parallel/msrun_launcher.md b/docs/mindspore/source_en/model_train/parallel/msrun_launcher.md
index 65c6264e9a58006efd291be4081fb17ece79215e..5a6673912af43e8d857425920a2d2ce01ac09408 100644
--- a/docs/mindspore/source_en/model_train/parallel/msrun_launcher.md
+++ b/docs/mindspore/source_en/model_train/parallel/msrun_launcher.md
@@ -84,16 +84,16 @@ A parameters list of command line:
     </tr>
     <tr>
         <td align="left" style="white-space:nowrap">--sim_level</td>
-        <td align="left">Set single card simulated compilation level.</td>
+        <td align="left">Set simulated compilation level.</td>
         <td align="left" style="white-space:nowrap">Integer</td>
         <td align="left">Default: -1. Disable simulated compilation.</td>
-        <td align="left">If this parameter is set, msrun starts only a single process for simulated compilation and does not execute operators. This feature is commonly used to debug large-scale distributed training parallel strategies, and to detect memory and strategy issues in advance. <br> If set to 0, only compile the frontend graph; If set to 1, further compile backend graph compilation and exit during the execution phase</td>
+        <td align="left">If this parameter is set, msrun starts only the processes for simulated compilation and does not execute operators. This feature is commonly used to debug large-scale distributed training parallel strategies, and to detect memory and strategy issues in advance. <br> If set to 0, only compile the frontend graph; If set to 1, further compile backend graph compilation and exit during the execution phase</td>
     </tr>
     <tr>
         <td align="left" style="white-space:nowrap">--sim_rank_id</td>
         <td align="left">rank_id of the simulated process.</td>
         <td align="left" style="white-space:nowrap">Integer</td>
-        <td align="left">Default: 0.</td>
+        <td align="left">Default: -1. Disable single process simulated compilation.</td>
         <td align="left">Set rank id of the simulated process.</td>
     </tr>
     <tr>
diff --git a/docs/mindspore/source_zh_cn/model_train/parallel/dynamic_cluster.md b/docs/mindspore/source_zh_cn/model_train/parallel/dynamic_cluster.md
index 62cc358afbfb8077742b938a3fa4ba09f7a75d8c..0b2791f7b1644fd574ddfff42dba34cb8f7f292b 100644
--- a/docs/mindspore/source_zh_cn/model_train/parallel/dynamic_cluster.md
+++ b/docs/mindspore/source_zh_cn/model_train/parallel/dynamic_cluster.md
@@ -118,7 +118,7 @@ MindSpore**动态组网**特性通过**复用Parameter Server模式训练架构*
         <td align="left" style="white-space:nowrap">MS_NODE_TIMEOUT</td>
         <td align="left">节点心跳超时时间，单位：秒。</td>
         <td align="left" style="white-space:nowrap">Integer</td>
-        <td align="left">默认为300秒</td>
+        <td align="left">默认为30秒</td>
         <td align="left">此数值代表Scheduler以及Worker间心跳超时时间，若此时间窗口内没有心跳消息，则集群异常退出。</td>
     </tr>
     <tr>
diff --git a/docs/mindspore/source_zh_cn/model_train/parallel/msrun_launcher.md b/docs/mindspore/source_zh_cn/model_train/parallel/msrun_launcher.md
index bed2a70e9d699e1d3655dcfccd4c4091213b7f53..1fbc91afa610d2099b2f90ec1260f676a5b07118 100644
--- a/docs/mindspore/source_zh_cn/model_train/parallel/msrun_launcher.md
+++ b/docs/mindspore/source_zh_cn/model_train/parallel/msrun_launcher.md
@@ -84,16 +84,16 @@
     </tr>
     <tr>
         <td align="left" style="white-space:nowrap">--sim_level</td>
-        <td align="left">设置单卡模拟编译等级。</td>
+        <td align="left">设置模拟编译等级。</td>
         <td align="left" style="white-space:nowrap">Integer</td>
-        <td align="left">默认为-1，即关闭单卡模拟编译功能。</td>
-        <td align="left">若用户配置此参数，msrun只会拉起单进程模拟编译，不做算子执行。此功能通常用于调试大规模分布式训练并行策略，在编译阶段提前发现内存和策略问题。<br>若设置为0，只做前端图编译；若设置为1，进一步执行后端图编译，在执行图阶段退出。</td>
+        <td align="left">默认为-1，即关闭模拟编译功能。</td>
+        <td align="left">若用户配置此参数，msrun只会拉起进程的模拟编译，不做算子执行。此功能通常用于调试大规模分布式训练并行策略，在编译阶段提前发现内存和策略问题。<br>若设置为0，只做前端图编译；若设置为1，进一步执行后端图编译，在执行图阶段退出。</td>
     </tr>
     <tr>
         <td align="left" style="white-space:nowrap">--sim_rank_id</td>
         <td align="left">单卡模拟编译的rank_id。</td>
         <td align="left" style="white-space:nowrap">Integer</td>
-        <td align="left">默认为0。</td>
+        <td align="left">默认为-1，即关闭单卡模拟编译功能。</td>
         <td align="left">设置单卡模拟编译进程的rank_id。</td>
     </tr>
     <tr>