diff --git a/docs/en/14-reference/05-taosbenchmark.md b/docs/en/14-reference/05-taosbenchmark.md
index 6e08671e34..19feeb6740 100644
--- a/docs/en/14-reference/05-taosbenchmark.md
+++ b/docs/en/14-reference/05-taosbenchmark.md
@@ -204,6 +204,12 @@ taosBenchmark -A INT,DOUBLE,NCHAR,BINARY\(16\)
 - **-a/--replica <replicaNum\>** :
   Specify the number of replicas when creating the database. The default value is 1.
 
+- **-k/--keep-trying <NUMBER\>** :
+  Keep trying if failed to insert, default is no. Available with v3.0.9+.
+
+- **-z/--trying-interval <NUMBER\>** :
+  Specify interval between keep trying insert. Valid value is a postive number. Only valid when keep trying be enabled. Available with v3.0.9+.
+
 - **-V/--version** :
   Show version information only. Users should not use it with other parameters.
 
@@ -231,6 +237,10 @@ The parameters listed in this section apply to all function modes.
 
 `filetype` must be set to `insert` in the insertion scenario. See [General Configuration Parameters](#General Configuration Parameters)
 
+- ** keep_trying ** : Keep trying if failed to insert, default is no. Available with v3.0.9+.
+
+- ** trying_interval ** : Specify interval between keep trying insert. Valid value is a postive number. Only valid when keep trying be enabled. Available with v3.0.9+.
+
 #### Database related configuration parameters
 
 The parameters related to database creation are configured in `dbinfo` in the json configuration file, as follows. The other parameters correspond to the database parameters specified when `create database` in [../../taos-sql/database].
diff --git a/docs/en/14-reference/06-taosdump.md b/docs/en/14-reference/06-taosdump.md
index e73441a96b..9c63b4dc03 100644
--- a/docs/en/14-reference/06-taosdump.md
+++ b/docs/en/14-reference/06-taosdump.md
@@ -19,7 +19,7 @@ Users should not use taosdump to back up raw data, environment settings, hardwar
 
 There are two ways to install taosdump:
 
-- Install the taosTools official installer. Please find taosTools from [All download links](https://www.tdengine.com/all-downloads) page and download and install it.
+- Install the taosTools official installer. Please find taosTools from [Release History](https://docs.taosdata.com/releases/tools/) page and download and install it.
 
 - Compile taos-tools separately and install it. Please refer to the [taos-tools](https://github.com/taosdata/taos-tools) repository for details.
 
diff --git a/docs/zh/14-reference/05-taosbenchmark.md b/docs/zh/14-reference/05-taosbenchmark.md
index 76dd5f12d8..9091e71d1f 100644
--- a/docs/zh/14-reference/05-taosbenchmark.md
+++ b/docs/zh/14-reference/05-taosbenchmark.md
@@ -204,6 +204,10 @@ taosBenchmark -A INT,DOUBLE,NCHAR,BINARY\(16\)
 - **-a/--replica <replicaNum\>** :
   创建数据库时指定其副本数，默认值为 1 。
 
+- ** -k/--keep-trying <NUMBER\>** : 失败后进行重试的次数，默认不重试。需使用 v3.0.9 以上版本。
+
+- ** -z/--trying-interval <NUMBER\>** : 失败重试间隔时间，单位为毫秒，仅在 -k 指定重试后有效。需使用 v3.0.9 以上版本。
+
 - **-V/--version** :
   显示版本信息并退出。不能与其它参数混用。
 
@@ -231,6 +235,10 @@ taosBenchmark -A INT,DOUBLE,NCHAR,BINARY\(16\)
 
 插入场景下 `filetype` 必须设置为 `insert`，该参数及其它通用参数详见[通用配置参数](#通用配置参数)
 
+- ** keep_trying ** : 失败后进行重试的次数，默认不重试。需使用 v3.0.9 以上版本。
+
+- ** trying_interval ** : 失败重试间隔时间，单位为毫秒，仅在 keep_trying 指定重试后有效。需使用 v3.0.9 以上版本。
+
 #### 数据库相关配置参数
 
 创建数据库时的相关参数在 json 配置文件中的 `dbinfo` 中配置，个别具体参数如下。其余参数均与 TDengine 中 `create database` 时所指定的数据库参数相对应，详见[../../taos-sql/database]
diff --git a/docs/zh/14-reference/06-taosdump.md b/docs/zh/14-reference/06-taosdump.md
index 625499a949..8a031d1473 100644
--- a/docs/zh/14-reference/06-taosdump.md
+++ b/docs/zh/14-reference/06-taosdump.md
@@ -22,7 +22,7 @@ taosdump 是一个逻辑备份工具，它不应被用于备份任何原始数
 
 taosdump 有两种安装方式:
 
-- 安装 taosTools 官方安装包, 请从[所有下载链接](https://www.taosdata.com/all-downloads)页面找到 taosTools 并下载安装。
+- 安装 taosTools 官方安装包, 请从[发布历史页面](https://docs.taosdata.com/releases/tools/)页面找到 taosTools 并下载安装。
 
 - 单独编译 taos-tools 并安装, 详情请参考 [taos-tools](https://github.com/taosdata/taos-tools) 仓库。
 
diff --git a/source/os/src/osSysinfo.c b/source/os/src/osSysinfo.c
index 89b84ad395..eb989d6957 100644
--- a/source/os/src/osSysinfo.c
+++ b/source/os/src/osSysinfo.c
@@ -354,6 +354,10 @@ int32_t taosGetCpuInfo(char *cpuModel, int32_t maxLen, float *numOfCores) {
     code = 0;
     done |= 1;
   }
+  int endPos = strlen(cpuModel)-1;
+  if (cpuModel[endPos] == '\n') {
+    cpuModel[endPos] = '\0';
+  }
   taosCloseCmd(&pCmd);
 
   pCmd = taosOpenCmd("sysctl -n machdep.cpu.core_count");
diff --git a/tests/script/coverage_test.sh b/tests/script/coverage_test.sh
index 3983f533da..b395047a1c 100755
--- a/tests/script/coverage_test.sh
+++ b/tests/script/coverage_test.sh
@@ -122,6 +122,9 @@ function runSimCases() {
 
 function runPythonCases() {
 	echo "=== Run python cases ==="
+
+	cd $TDENGINE_DIR/tests/parallel_test
+	sed -i '/compatibility.py/d' cases.task
 		
 	cd $TDENGINE_DIR/tests/system-test
 	runCasesOneByOne ../parallel_test/cases.task system-test