diff --git a/src/objit/src/expr/ob_expr_info_flag.h b/src/objit/src/expr/ob_expr_info_flag.h
index 729add75f4..aa135e9338 100644
--- a/src/objit/src/expr/ob_expr_info_flag.h
+++ b/src/objit/src/expr/ob_expr_info_flag.h
@@ -87,7 +87,7 @@ enum ObExprInfoFlag
   IS_JOIN_COND,     // column = column of different tables
   IS_COLUMNLIZED,   // for code generator, @see ObExprGenerator
   IS_ROOT, //for code generator, @see ObExprGenerator
-  IS_DYNAMIC_PARAM, //for opt to distinguish normal paramaterized const and exec-params
+  IS_DYNAMIC_PARAM, //for opt to distinguish normal parameterized const and exec-params
   IS_NEW_AGG_EXPR,
   IS_WITH_ALL,
   IS_WITH_ANY,
@@ -167,5 +167,5 @@ inline const char* get_expr_info_flag_str(const ObExprInfoFlag flag)
   return ret;
 }
 }  // namespace sql
-}  // namespace oceabase
+}  // namespace oceanbase
 #endif /* OCEANBASE_SRC_SQL_RESOLVER_EXPR_OB_EXPR_INFO_FLAG_H_ */
diff --git a/src/sql/resolver/expr/ob_raw_expr_deduce_type.cpp b/src/sql/resolver/expr/ob_raw_expr_deduce_type.cpp
index d67fd2ba95..eac32cc613 100644
--- a/src/sql/resolver/expr/ob_raw_expr_deduce_type.cpp
+++ b/src/sql/resolver/expr/ob_raw_expr_deduce_type.cpp
@@ -240,7 +240,7 @@ int ObRawExprDeduceType::calc_result_type_with_const_arg(
 
 /* Most expressions not accept lob type parameters. It reports an error in two situations before:
  * 1. report an error in calc_result_type function of expression;
- * 2. cast lob to calc_type not suppoted/expected.
+ * 2. cast lob to calc_type not supported/expected.
  * Only a few expressions deal with lob type parameters in calc_result_type, so most errors caused by 2.
  * However, this makes some problems:
  * For example, cast lob to number is not supported before, and this results that nvl(lob, number)
@@ -2831,7 +2831,7 @@ int ObRawExprDeduceType::set_agg_udf_result_type(ObAggFunRawExpr &expr)
   int ret = OB_SUCCESS;
   ObIArray<ObRawExpr*> &param_exprs = expr.get_real_param_exprs_for_update();
   common::ObSEArray<common::ObString, 16> udf_attributes; /* udf's input args' name */
-  common::ObSEArray<ObExprResType, 16> udf_attributes_types; /* udf's aatribute type */
+  common::ObSEArray<ObExprResType, 16> udf_attributes_types; /* udf's attribute type */
   common::ObSEArray<ObUdfConstArgs, 16> const_results; /* const input expr' result */
   ObAggUdfFunction udf_func;
   const share::schema::ObUDFMeta &udf_meta = expr.get_udf_meta();
@@ -3295,7 +3295,7 @@ int ObRawExprDeduceType::add_implicit_cast(ObAggFunRawExpr &parent,
     ObRawExpr *&child_ptr = real_param_exprs.at(i);
     if (skip_cast_expr(parent, i)) {
       // do nothing
-    //兼容oralce行为,regr_sxx和regr_syy只需在计算的参数加cast,regr_sxy行为和regr_syy一致，比较诡异，暂时兼容
+    //兼容oracle行为,regr_sxx和regr_syy只需在计算的参数加cast,regr_sxy行为和regr_syy一致，比较诡异，暂时兼容
     } else if ((parent.get_expr_type() == T_FUN_REGR_SXX && i == 0) ||
                (parent.get_expr_type() == T_FUN_REGR_SYY && i == 1) ||
                (parent.get_expr_type() == T_FUN_REGR_SXY && i == 1) ||
diff --git a/src/sql/resolver/expr/ob_raw_expr_util.cpp b/src/sql/resolver/expr/ob_raw_expr_util.cpp
index 5cce7dbf69..b92424802a 100644
--- a/src/sql/resolver/expr/ob_raw_expr_util.cpp
+++ b/src/sql/resolver/expr/ob_raw_expr_util.cpp
@@ -895,7 +895,7 @@ int ObRawExprUtils::resolve_udf_param_exprs(ObResolverParams &params,
   // 通过名字指定参数统一记录在param_names_和param_exprs里面, 所以这里一定相等
   if (udf_info.param_names_.count() != udf_info.param_exprs_.count()) {
     ret = OB_ERR_UNEXPECTED;
-    SQL_LOG(WARN, "names array not equle to exprs array count",
+    SQL_LOG(WARN, "names array not equal to exprs array count",
              K(ret), K(udf_info.param_names_.count()), K(udf_info.param_exprs_.count()));
   } else if ((udf_info.udf_param_num_ + udf_info.param_names_.count()) > func_info->get_param_count()) {
     ret = OB_ERR_SP_WRONG_ARG_NUM;
@@ -1701,7 +1701,7 @@ int ObRawExprUtils::build_seq_nextval_expr(ObRawExpr *&expr,
     } else if (OB_FAIL(func_expr->add_flag(IS_SEQ_EXPR))) {
       LOG_WARN("failed to add flag", K(ret));
     } else if (OB_FAIL(func_expr->add_param_expr(col_id_expr))) {
-      LOG_WARN("set funcation param expr failed", K(ret));
+      LOG_WARN("set function param expr failed", K(ret));
     } else if (OB_FAIL(func_expr->formalize(session_info))) {
       LOG_WARN("failed to extract info", K(ret));
     } else if (NULL != stmt && OB_FAIL(stmt->get_pseudo_column_like_exprs().push_back(func_expr))) {
@@ -7123,7 +7123,7 @@ int ObRawExprUtils::build_dup_data_expr(ObRawExprFactory &factory,
   if (OB_SUCC(ret)) {
     if (OB_ISNULL(name = (char *)factory.get_allocator().alloc(pos + 2))) {
       ret = OB_ALLOCATE_MEMORY_FAILED;
-      LOG_WARN("falied to allocate memory", K(ret));
+      LOG_WARN("failed to allocate memory", K(ret));
     } else {
       memcpy(name, name_buf, pos);
       name[pos] = ')';