diff --git a/src/pl/ob_pl.cpp b/src/pl/ob_pl.cpp
index a9f2fad32a..a2c400ae33 100644
--- a/src/pl/ob_pl.cpp
+++ b/src/pl/ob_pl.cpp
@@ -1083,7 +1083,8 @@ int ObPLContext::set_exec_env(ObPLFunction &routine)
 {
   int ret = OB_SUCCESS;
   CK (OB_NOT_NULL(session_info_));
-  OZ (exec_env_.load(*session_info_));
+  CK (OB_NOT_NULL(my_exec_ctx_));
+  OZ (exec_env_.load(*session_info_, &my_exec_ctx_->get_allocator()));
   if (OB_SUCC(ret) && exec_env_ != routine.get_exec_env()) {
     OZ (routine.get_exec_env().store(*session_info_));
     OX (need_reset_exec_env_ = true);
diff --git a/src/sql/session/ob_basic_session_info.cpp b/src/sql/session/ob_basic_session_info.cpp
index 168a292273..6f6dff3ef5 100644
--- a/src/sql/session/ob_basic_session_info.cpp
+++ b/src/sql/session/ob_basic_session_info.cpp
@@ -6310,7 +6310,7 @@ int ObExecEnv::init(const ObString &exec_env)
 #undef SET_ENV_VALUE
 #undef GET_ENV_VALUE
 
-int ObExecEnv::load(ObBasicSessionInfo &session)
+int ObExecEnv::load(ObBasicSessionInfo &session, ObIAllocator *alloc)
 {
   int ret = OB_SUCCESS;
   ObObj val;
@@ -6339,7 +6339,11 @@ int ObExecEnv::load(ObBasicSessionInfo &session)
       }
       break;
       case PLSQL_CCFLAGS: {
-        plsql_ccflags_ = val.get_varchar();
+        if (OB_NOT_NULL(alloc)) {
+          OZ (ob_write_string(*alloc, val.get_varchar(), plsql_ccflags_));
+        } else {
+          plsql_ccflags_ = val.get_varchar();
+        }
       }
       break;
       default: {
diff --git a/src/sql/session/ob_basic_session_info.h b/src/sql/session/ob_basic_session_info.h
index 217063a9da..64cedda847 100644
--- a/src/sql/session/ob_basic_session_info.h
+++ b/src/sql/session/ob_basic_session_info.h
@@ -2412,7 +2412,7 @@ public:
                           int64_t &pos);
 
   int init(const ObString &exec_env);
-  int load(ObBasicSessionInfo &session);
+  int load(ObBasicSessionInfo &session, ObIAllocator *alloc = NULL);
   int store(ObBasicSessionInfo &session);
 
   ObSQLMode get_sql_mode() { return sql_mode_; }