diff --git a/include/cpart.h b/include/cpart.h
index fb7eb4e..41d6caa 100644
--- a/include/cpart.h
+++ b/include/cpart.h
@@ -21,11 +21,16 @@
 //计算模块入口函数类型
 typedef int(*PCSFUNC)(void);
 
+struct farg_info {
+    string type;
+    int size = 1;
+};
+
 //计算模块类
 class CPart{
 public:
 //    参数格式信息列表
-    vector<int> fargs_in, fargs_out;
+    vector<farg_info> fargs_in, fargs_out;
 //    输入参数与输出参数缓冲区
     vector<void *> args_in, args_out;
 //    计算过程入口与出口管理类
@@ -45,12 +50,14 @@ public:
 //    源文件名
     string src_name;
     
-//    唯一的构造函数
+//    构造函数
     CPart(string src_path,string lib_path,string src_name,string name,bool ffresh = true);
+//    根据数据库信息构造
+    CPart(string func_name, sqlite3 *psql);
 //    析构函数
     ~CPart();
 //    设置输入输出参数格式信息列表
-    void setArgsType(vector<int> fargs_in, vector<int> fargs_out);
+    void setArgsType(vector<farg_info> fargs_in, vector<farg_info> fargs_out);
 //    编译源文件
     int BuildSo(void);
 //    获得动态链接库操作柄
diff --git a/src/cpart.cpp b/src/cpart.cpp
index 8a7f7bd..4770bfd 100644
--- a/src/cpart.cpp
+++ b/src/cpart.cpp
@@ -74,6 +74,51 @@ CPart::CPart(string t_srcpath,string t_libpath,string t_srcname,string t_name,bo
 
 }
 
+CPart::CPart(string func_name, sqlite3 *psql){
+//    获得动态链接库名
+    string sql_quote = "SELECT libfiles.name FROM functions INNER JOIN libfiles ON libfiles.id = functions.libfile_id WHERE functions.name = ?1;";
+    sqlite3_stmt *psqlsmt;
+    const char *pzTail;
+    sqlite3_prepare(psql, sql_quote.data(), -1, &psqlsmt, &pzTail);
+    sqlite3_bind_text(psqlsmt, 1, func_name.data(), -1, SQLITE_TRANSIENT);
+    sqlite3_step(psqlsmt);
+    lib_name = (char *)sqlite3_column_text(psqlsmt, 0);
+    sqlite3_finalize(psqlsmt);
+//    获得工程信息
+    sql_quote = "SELECT * FROM projfile;";
+    sqlite3_prepare(psql, sql_quote.data(), -1, &psqlsmt, &pzTail);
+    sqlite3_step(psqlsmt);
+    lib_path = (char *)sqlite3_column_text(psqlsmt, 3);
+    name = (char *)sqlite3_column_text(psqlsmt, 0);
+    sqlite3_finalize(psqlsmt);
+//    获得相关操作柄
+    GetSoHandle();
+//    记录形式参数
+    sql_quote = "SELECT * FROM fargs_"+func_name+" WHERE io = ?1;";
+    sqlite3_prepare(psql, sql_quote.data(), -1, &psqlsmt, &pzTail);
+    sqlite3_bind_int(psqlsmt, 1, 0);
+    int rtn = sqlite3_step(psqlsmt);
+    if(rtn != SQLITE_DONE)
+        do{
+            farg_info nfi;
+            nfi.type =(char *) sqlite3_column_text(psqlsmt, 1);
+            nfi.size =sqlite3_column_int(psqlsmt, 5);
+            fargs_in.push_back(nfi);
+            
+        }while (sqlite3_step(psqlsmt) != SQLITE_DONE);
+    sqlite3_reset(psqlsmt);
+    sqlite3_clear_bindings(psqlsmt);
+    sqlite3_bind_int(psqlsmt, 1, 1);
+    if(rtn != SQLITE_DONE)
+        do{
+            farg_info nfi;
+            nfi.type =(char *) sqlite3_column_text(psqlsmt, 1);
+            nfi.size =sqlite3_column_int(psqlsmt, 5);
+            fargs_out.push_back(nfi);
+        }while (sqlite3_step(psqlsmt) != SQLITE_DONE);
+    sqlite3_finalize(psqlsmt);
+}
+
 
 /**
  执行源文件编译操作，在指定位置生成动态链接库
@@ -125,7 +170,7 @@ CPart::~CPart(){
  @param fargs_in 输入参数格式
  @param fargs_out 输出参数格式
  */
-void CPart::setArgsType(vector<int> fargs_in, vector<int> fargs_out){
+void CPart::setArgsType(vector<farg_info> fargs_in, vector<farg_info> fargs_out){
     this->fargs_in = fargs_in;
     this->fargs_out = fargs_out;
 }
diff --git a/src/cproj_proj.cpp b/src/cproj_proj.cpp
index 8720447..25a9da0 100644
--- a/src/cproj_proj.cpp
+++ b/src/cproj_proj.cpp
@@ -1173,10 +1173,26 @@ void Proj::UpdateProcess(void){
         {"content","?3"}
     });
     for(auto lib : lib_index){
+        sql_quote = "SELECT count(*) FROM libfiles WHERE name = ?1";
+        sqlite3_prepare(psql, sql_quote.data(), -1, &psqlsmt, &pzTail);
+        sqlite3_bind_text(psqlsmt, 1, lib.second.data(), -1, SQLITE_TRANSIENT);
+        int rtn = sqlite3_step(psqlsmt);
+        if(rtn == SQLITE_DONE || rtn == SQLITE_ROW){
+            int if_find = sqlite3_column_int(psqlsmt, 0);
+            sqlite3_finalize(psqlsmt);
+            if(if_find) continue;
+        }
+        else{
+            const char *error = sqlite3_errmsg(psql);
+            int errorcode =  sqlite3_extended_errcode(psql);
+            printf("\033[31mSQL Error: [%d]%s\n\033[0m",errorcode,error);
+            throw error;
+        }
+        
         sqlite3_bind_int(psqlsmt2, 1, ++last_id);
         sqlite3_bind_text(psqlsmt2, 2, lib.second.data(), -1, SQLITE_TRANSIENT);
 //        添加动态链接库
-        int rtn = sqlite3_step(psqlsmt2);
+        rtn = sqlite3_step(psqlsmt2);
         if(rtn == SQLITE_DONE || rtn == SQLITE_ROW){
             
         }
diff --git a/src/main.cpp b/src/main.cpp
index 74dcbaa..87825fb 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -87,6 +87,7 @@ int update(string instruct, vector<string> &configs, vector<string> &lconfigs, v
         nproj.UpdateProcess();
     } catch (const char *err_info) {
         printf("\033[31mError: %s\n\033[0m",err_info);
+        return -1;
     }
     printf("\033[32mSucceed.\n\033[0m");
     return 0;