diff --git a/src/sql/ob_sql_utils.cpp b/src/sql/ob_sql_utils.cpp
index aafebabeff..a0d7043dca 100644
--- a/src/sql/ob_sql_utils.cpp
+++ b/src/sql/ob_sql_utils.cpp
@@ -985,7 +985,7 @@ int64_t ObSQLUtils::get_usec()
   return time_val.tv_sec*1000000 + time_val.tv_usec;
 }
 
-int ObSQLUtils::check_and_convert_db_name(const ObCollationType cs_type, const bool perserve_lettercase,
+int ObSQLUtils::check_and_convert_db_name(const ObCollationType cs_type, const bool preserve_lettercase,
                                           ObString &name)
 {
   /*如果database name的字节数大于384则报错OB_WRONG_DB_NAME;
@@ -1011,7 +1011,7 @@ int ObSQLUtils::check_and_convert_db_name(const ObCollationType cs_type, const b
     }
 
     ObString last_name(name_len, name_str);
-    if (!perserve_lettercase) {
+    if (!preserve_lettercase) {
       ObCharset::casedn(CS_TYPE_UTF8MB4_BIN, last_name);
     }
     if (OB_ERR_WRONG_IDENT_NAME == (ret = check_ident_name(cs_type, last_name, check_for_path_chars,
@@ -1056,7 +1056,7 @@ int ObSQLUtils::cvt_db_name_to_org(share::schema::ObSchemaGetterGuard &schema_gu
 }
 
 int ObSQLUtils::check_and_convert_table_name(const ObCollationType cs_type,
-                                             const bool perserve_lettercase,
+                                             const bool preserve_lettercase,
                                              ObString &name,
                                              const stmt::StmtType stmt_type,
                                              const bool is_index_table)
@@ -1090,7 +1090,7 @@ int ObSQLUtils::check_and_convert_table_name(const ObCollationType cs_type,
   } else {
     char origin_name[OB_MAX_USER_TABLE_NAME_LENGTH_ORACLE * OB_MAX_CHAR_LEN + 1] = {'\0'};
     MEMCPY(origin_name, name_str, name_len);
-    if (!perserve_lettercase) {
+    if (!preserve_lettercase) {
       ObCharset::casedn(CS_TYPE_UTF8MB4_GENERAL_CI, name);
     }
     bool check_for_path_chars = false;
@@ -1124,9 +1124,9 @@ int ObSQLUtils::check_and_convert_table_name(const ObCollationType cs_type,
 int ObSQLUtils::check_and_convert_context_namespace(const common::ObCollationType cs_type,
                                                     common::ObString &name)
 {
-  bool perserve_lettercase = true;
+  bool preserve_lettercase = true;
   stmt::StmtType type = stmt::T_CREATE_CONTEXT;
-  return check_and_convert_table_name(cs_type, perserve_lettercase, name, type);
+  return check_and_convert_table_name(cs_type, preserve_lettercase, name, type);
 }
 
 int ObSQLUtils::check_index_name(const ObCollationType cs_type, ObString &name)
diff --git a/src/sql/ob_sql_utils.h b/src/sql/ob_sql_utils.h
index 9d8eee664c..a1e69677f9 100644
--- a/src/sql/ob_sql_utils.h
+++ b/src/sql/ob_sql_utils.h
@@ -141,7 +141,7 @@ public:
    *  and a partition func.
    *
    *  The range array is assumed to only contain single_value ranges and
-   *  the partiton_ids will contain all the resulted partition ids without
+   *  the partition_ids will contain all the resulted partition ids without
    *  duplicates.
    */
   static int calc_partition_ids(const common::ObIArray<common::ObNewRange*> &ranges,
@@ -293,13 +293,13 @@ public:
                                  ObObj &result);
   static void destruct_default_expr_context(ObExprCtx &expr_ctx);
   static int64_t get_usec();
-  static int check_and_convert_db_name(const common::ObCollationType cs_type, const bool perserver_lettercase,
+  static int check_and_convert_db_name(const common::ObCollationType cs_type, const bool preserve_lettercase,
                                        common::ObString &name);
   static int cvt_db_name_to_org(share::schema::ObSchemaGetterGuard &schema_guard,
                                 const ObSQLSessionInfo *session,
                                 common::ObString &name);
   static int check_and_convert_table_name(const common::ObCollationType cs_type,
-                                          const bool perserve_lettercase,
+                                          const bool preserve_lettercase,
                                           common::ObString &name,
                                           const stmt::StmtType stmt_type = stmt::T_NONE,
                                           const bool is_index_table = false);
@@ -561,7 +561,7 @@ public:
   *  So, timestamp between servers can be vary large.
   *  A sql executed across servers needs to be corrected
   *  according to the THIS_WORKER.get_ntp_offset(),
-  *  That is the time correctly set by the processer of the RPC
+  *  That is the time correctly set by the processor of the RPC
   ------------------------*/
   static void adjust_time_by_ntp_offset(int64_t &dst_timeout_ts);
 private: