diff --git a/src/library/initialize/initialize_file_access.cpp b/src/library/initialize/initialize_file_access.cpp
index cb011d812..0bc8dc24f 100644
--- a/src/library/initialize/initialize_file_access.cpp
+++ b/src/library/initialize/initialize_file_access.cpp
@@ -36,6 +36,16 @@ IniAccess::IniAccess(const std::string file_path) : file_path_(file_path), ini_r
 }
 #endif
 
+std::vector<unsigned char> IniAccess::ReadVectorUnsignedChar(const char* section_name, const char* key_name, const size_t num) {
+  std::vector<unsigned char> data;
+  for (size_t i = 0; i < num; i++) {
+    std::stringstream edited_key_name;
+    edited_key_name << key_name << "(" << i << ")";
+    data.push_back((unsigned char)ReadInt(section_name, edited_key_name.str().c_str()));
+  }
+  return data;
+}
+
 double IniAccess::ReadDouble(const char* section_name, const char* key_name) {
 #ifdef WIN32
   std::stringstream value;
@@ -65,6 +75,17 @@ int IniAccess::ReadInt(const char* section_name, const char* key_name) {
   return (int)ini_reader_.GetInteger(section_name, key_name, 0);
 #endif
 }
+
+std::vector<int> IniAccess::ReadVectorInt(const char* section_name, const char* key_name, const size_t num) {
+  std::vector<int> data;
+  for (size_t i = 0; i < num; i++) {
+    std::stringstream edited_key_name;
+    edited_key_name << key_name << "(" << i << ")";
+    data.push_back(ReadInt(section_name, edited_key_name.str().c_str()));
+  }
+  return data;
+}
+
 bool IniAccess::ReadBoolean(const char* section_name, const char* key_name) {
 #ifdef WIN32
   int temp;
@@ -87,6 +108,16 @@ void IniAccess::ReadDoubleArray(const char* section_name, const char* key_name,
   }
 }
 
+std::vector<double> IniAccess::ReadVectorDouble(const char* section_name, const char* key_name, const size_t num) {
+  std::vector<double> data;
+  for (size_t i = 0; i < num; i++) {
+    std::stringstream edited_key_name;
+    edited_key_name << key_name << "(" << i << ")";
+    data.push_back(ReadDouble(section_name, edited_key_name.str().c_str()));
+  }
+  return data;
+}
+
 void IniAccess::ReadQuaternion(const char* section_name, const char* key_name, libra::Quaternion& data) {
   libra::Quaternion temp;
   double norm = 0.0;
diff --git a/src/library/initialize/initialize_file_access.hpp b/src/library/initialize/initialize_file_access.hpp
index a5149100e..1d1025fc4 100644
--- a/src/library/initialize/initialize_file_access.hpp
+++ b/src/library/initialize/initialize_file_access.hpp
@@ -41,6 +41,15 @@ class IniAccess {
   IniAccess(const std::string file_path);
 
   // Read functions
+  /**
+   * @fn ReadVectorUnsignedChar
+   * @brief Read a vector number as unsigned char type
+   * @param[in] section_name: Section name
+   * @param[in] key_name: Key name
+   * @param[in] num: Number of elements of the array
+   * @return Read number
+   */
+  std::vector<unsigned char> ReadVectorUnsignedChar(const char* section_name, const char* key_name, const size_t num);
   /**
    * @fn ReadDouble
    * @brief Read a scalar number as double type
@@ -57,6 +66,15 @@ class IniAccess {
    * @return Read number
    */
   int ReadInt(const char* section_name, const char* key_name);
+  /**
+   * @fn ReadVectorInt
+   * @brief Read a vector number as integer type
+   * @param[in] section_name: Section name
+   * @param[in] key_name: Key name
+   * @param[in] num: Number of elements of the array
+   * @return Read number
+   */
+  std::vector<int> ReadVectorInt(const char* section_name, const char* key_name, const size_t num);
   /**
    * @fn ReadBoolean
    * @brief Read boolean
@@ -75,6 +93,15 @@ class IniAccess {
    * @param[out] data: Read array data
    */
   void ReadDoubleArray(const char* section_name, const char* key_name, const int id, const int num, double* data);
+  /**
+   * @fn ReadVectorDouble
+   * @brief Read a vector number as double type
+   * @param[in] section_name: Section name
+   * @param[in] key_name: Key name
+   * @param[in] num: Number of elements of the array
+   * @return Read number
+   */
+  std::vector<double> ReadVectorDouble(const char* section_name, const char* key_name, const size_t num);
   /**
    * @fn ReadVector
    * @brief Read Vector type number