diff --git a/eqpalg/algs/bound_alg.cpp b/eqpalg/algs/bound_alg.cpp
index 8f78086..7321e0a 100644
--- a/eqpalg/algs/bound_alg.cpp
+++ b/eqpalg/algs/bound_alg.cpp
@@ -28,7 +28,7 @@ void BoundAlg::doInitExtend() {
 }
 
 bool BoundAlg::checkFilter() {
-    if (!expr_engine_->exps_.count("feedback")) {
+    if (!expr_engine_->hasExpression("feedback")) {
         return true;  // 无筛选表达式，所有数据参与
     }
     try {
diff --git a/eqpalg/algs/exp_bound.cpp b/eqpalg/algs/exp_bound.cpp
index 66e8355..a1a18a2 100644
--- a/eqpalg/algs/exp_bound.cpp
+++ b/eqpalg/algs/exp_bound.cpp
@@ -1,8 +1,8 @@
 
-#include "mix_cc/ihyper_db.h"
+#include <mix_cc/ihyper_db.h>
 #include <algorithm>
 #include <base/BitTool.h>
-#include <eqpalg/algs/exp_bound.h>>
+#include <eqpalg/algs/exp_bound.h>
 #include <eqpalg/exp_macro/get_macro_replaced_exp.h>
 #include <eqpalg/feature_extraction/daa.h>
 #include <eqpalg/utility/build_alarm_info.h>
@@ -23,7 +23,7 @@ int ExpBound::init() {
     res += this->reload_config_data_source(); /*3.数据源*/
     logger_->Debug() << "数据来源,0:iHyperDB,1:memory：" << this->data_source_
                      << ",单位unit_：" << unit_ << std::endl;
-    res += this->first_fill_mm_vars(); /*4.数据项*/
+    res += expr_engine_->firstFill(data_source_, now_time_, query_time_range_); /*4.数据项*/
     res += init_X_exp();
     rule_stat_.unit = unit_;
     rule_stat_.limit_down = -32768;
diff --git a/eqpalg/utility/expression_engine.h b/eqpalg/utility/expression_engine.h
index 293aa56..26b0957 100644
--- a/eqpalg/utility/expression_engine.h
+++ b/eqpalg/utility/expression_engine.h
@@ -56,6 +56,9 @@ public:
    */
   int registerRawExpression(const std::string& name, const std::string& raw_exp_str);
 
+  /** 查询表达式是否已注册 */
+  bool hasExpression(const std::string& name) const { return exps_.count(name) > 0; }
+
   // ========== 表达式求值 ==========
 
   double evaluate(const std::string& name);