diff --git a/source/client/src/clientEnv.c b/source/client/src/clientEnv.c
index 117e0b65a9..072cbee2f4 100644
--- a/source/client/src/clientEnv.c
+++ b/source/client/src/clientEnv.c
@@ -42,7 +42,7 @@
 #endif
 
 #ifndef CUS_PROMPT
-#define CUS_PROMPT "taos"
+#define CUS_PROMPT "tao"
 #endif
 
 #define TSC_VAR_NOT_RELEASE 1
@@ -958,10 +958,10 @@ void taos_init_imp(void) {
   taosHashSetFreeFp(appInfo.pInstMap, destroyAppInst);
   deltaToUtcInitOnce();
 
-  const char *logDirName = CUS_PROMPT "dlog";
-  ENV_ERR_RET(taosInitLogOutput(&logDirName), "failed to init log output");
-  if (taosCreateLog(logDirName, 10, configDir, NULL, NULL, NULL, NULL, 1) != 0) {
-    (void)printf(" WARING: Create %s failed:%s. configDir=%s\n", logDirName, strerror(errno), configDir);
+  const char *logName = CUS_PROMPT "slog";
+  ENV_ERR_RET(taosInitLogOutput(&logName), "failed to init log output");
+  if (taosCreateLog(logName, 10, configDir, NULL, NULL, NULL, NULL, 1) != 0) {
+    (void)printf(" WARING: Create %s failed:%s. configDir=%s\n", logName, strerror(errno), configDir);
     tscInitRes = -1;
     return;
   }
diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 2fc2b969cf..18ff2af067 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -1868,7 +1868,7 @@ int32_t taosInitCfg(const char *cfgDir, const char **envCmd, const char *envFile
 
   TAOS_CHECK_GOTO(taosAddSystemCfg(tsCfg), &lino, _exit);
 
-#if 1  // duplicate operation since already loaded in taosCreateLog
+#if 0  // duplicate operation since already loaded in taosCreateLog
   if ((code = taosLoadCfg(tsCfg, envCmd, cfgDir, envFile, apolloUrl)) != 0) {
     (void)printf("failed to load cfg since %s\n", tstrerror(code));
     cfgCleanup(tsCfg);
diff --git a/source/util/src/tlog.c b/source/util/src/tlog.c
index a5001d56c6..4f2cce5869 100644
--- a/source/util/src/tlog.c
+++ b/source/util/src/tlog.c
@@ -54,7 +54,7 @@
 typedef enum {
   LOG_OUTPUT_FILE = 0,    // default
   LOG_OUTPUT_STDOUT = 1,  // stdout set by -o option on the command line
-  LOG_OUTPUT_STDERR = 2,  // stderr set by -e option on the command line
+  LOG_OUTPUT_STDERR = 2,  // stderr set by -o option on the command line
   LOG_OUTPUT_NULL = 4,    // /dev/null set by -o option on the command line
 } ELogOutputType;