diff --git a/src/client/src/tscSystem.c b/src/client/src/tscSystem.c
index 2d36a4bef4b1c4e9d820ef5faa4862bcd4c2a3a9..f23ec1548c18ae68c5bbb6b8b6c249a1bf5e1406 100644
--- a/src/client/src/tscSystem.c
+++ b/src/client/src/tscSystem.c
@@ -454,7 +454,7 @@ static int taos_set_config_imp(const char *config){
   int size = cJSON_GetArraySize(root);
   for(int i = 0; i < size; i++){
     cJSON *item = cJSON_GetArrayItem(root, i);
-    if(item && !taosReadConfigOption(item->string, item->valuestring, NULL, NULL, TAOS_CFG_CSTATUS_OPTION)){
+    if(item && !taosReadConfigOption(item->string, item->valuestring, NULL, NULL, TAOS_CFG_CSTATUS_OPTION, TSDB_CFG_CTYPE_B_CLIENT)){
       ret = -2;
     }
   }
diff --git a/src/client/tests/setConfigTest.cpp b/src/client/tests/setConfigTest.cpp
index 63cda16bb557d4584e137926467a644463d745a6..e7c34ed8f161467bf394531aff7fa426210aa21c 100644
--- a/src/client/tests/setConfigTest.cpp
+++ b/src/client/tests/setConfigTest.cpp
@@ -5,21 +5,35 @@
 #include "tglobal.h"
 #include "tconfig.h"
 
-/* test parse time function */
-TEST(testCase, set_config_test) {
+/* test set config function */
+TEST(testCase, set_config_test1) {
   const char *config = "{\"debugFlag\":\"131\"}";
   taos_set_config(config);
 
   const char *config2 = "{\"debugFlag\":\"199\"}";
-  taos_set_config(config2);     // not take effect
+  taos_set_config(config2);  // not take effect
 
-  bool readResult = taosReadGlobalCfg();
-  ASSERT_TRUE(readResult);   // load file config, not take effect
+  bool readResult = taosReadGlobalCfg();  // load file config, debugFlag not take effect
+  ASSERT_TRUE(readResult);
   int32_t checkResult = taosCheckGlobalCfg();
   ASSERT_EQ(checkResult, 0);
 
   SGlobalCfg *cfg = taosGetConfigOption("debugFlag");
   ASSERT_EQ(cfg->cfgStatus, TAOS_CFG_CSTATUS_OPTION);
-  int32_t result = *(int32_t*)cfg->ptr;
+  int32_t result = *(int32_t *)cfg->ptr;
   ASSERT_EQ(result, 131);
 }
+
+TEST(testCase, set_config_test2) {
+  const char *config = "{\"numOfCommitThreads\":\"10\"}";
+  taos_set_config(config);
+
+  bool readResult = taosReadGlobalCfg(); // load file config, debugFlag not take effect
+  ASSERT_TRUE(readResult);
+  int32_t checkResult = taosCheckGlobalCfg();
+  ASSERT_EQ(checkResult, 0);
+
+  SGlobalCfg *cfg = taosGetConfigOption("numOfCommitThreads");
+  int32_t result = *(int32_t*)cfg->ptr;
+  ASSERT_NE(result, 10);    // numOfCommitThreads not type of TSDB_CFG_CTYPE_B_CLIENT
+}
diff --git a/src/util/inc/tconfig.h b/src/util/inc/tconfig.h
index f73ba9a7aaa2ab2ae669ab17d1bff7e680d5a3b8..e892e7f5249509cf42bd3a1ffdff0ddb50001231 100644
--- a/src/util/inc/tconfig.h
+++ b/src/util/inc/tconfig.h
@@ -89,7 +89,7 @@ void taosDumpGlobalCfg();
 
 void taosInitConfigOption(SGlobalCfg cfg);
 SGlobalCfg * taosGetConfigOption(const char *option);
-bool taosReadConfigOption(const char *option, char *value, char *value2, char *value3, int8_t cfgStatus);
+bool taosReadConfigOption(const char *option, char *value, char *value2, char *value3, int8_t cfgStatus, int8_t sourceType);
 
 #ifdef __cplusplus
 }
diff --git a/src/util/src/tconfig.c b/src/util/src/tconfig.c
index e7a8f0639b99e22805f69656160966e08e4da7b2..d70375721c629c7e5107fcfa4a60d056fd07aafd 100644
--- a/src/util/src/tconfig.c
+++ b/src/util/src/tconfig.c
@@ -294,11 +294,12 @@ SGlobalCfg *taosGetConfigOption(const char *option) {
 }
 
 bool taosReadConfigOption(const char *option, char *value, char *value2, char *value3,
-                          int8_t cfgStatus) {
+                          int8_t cfgStatus, int8_t sourceType) {
   bool ret = false;
   for (int i = 0; i < tsGlobalConfigNum; ++i) {
     SGlobalCfg *cfg = tsGlobalConfig + i;
     if (!(cfg->cfgType & TSDB_CFG_CTYPE_B_CONFIG)) continue;
+    if (sourceType != 0 && !(sourceType & TSDB_CFG_CTYPE_B_CLIENT)) continue;
     if (strcasecmp(cfg->option, option) != 0) continue;
 
     switch (cfg->valType) {
@@ -479,7 +480,7 @@ bool taosReadGlobalCfg() {
       if (vlen3 != 0) value3[vlen3] = 0;
     }
 
-    taosReadConfigOption(option, value, value2, value3, TAOS_CFG_CSTATUS_FILE);
+    taosReadConfigOption(option, value, value2, value3, TAOS_CFG_CSTATUS_FILE, 0);
   }
 
   fclose(fp);