diff --git a/logCommand/log.cpp b/logCommand/log.cpp
index ab6068c..116bc31 100644
--- a/logCommand/log.cpp
+++ b/logCommand/log.cpp
@@ -22,7 +22,7 @@ int logMain(int argc, const char* argv[]) {
 	commit currCommit;
 	while (readCommit(sha1, currCommit)) {
 		std::cout << yellow << "[commit " << currCommit.sha1 << ']' << Reset << std::endl;
-		std::cout << cyan << "mmessage:" << Reset << std::endl;
+		std::cout << cyan << "message:" << Reset << std::endl;
 		std::cout << std::endl;
 
 		std::cout << currCommit.message;
diff --git a/merge/merge.cpp b/merge/merge.cpp
index c3dff6b..b566069 100644
--- a/merge/merge.cpp
+++ b/merge/merge.cpp
@@ -7,14 +7,40 @@
 #include <vector>
 #include <functional>
 
-int merge(int argc, const char* argv[]);
+int mergeMain(int argc, const char* argv[]);
 
+struct MergeResult{
+    std::vector<commit> parents;
+    std::string sha1;
+};
 Command MergeCommand{
-	merge,
+	mergeMain,
 	"Join two or more development histories together"
 };
 
-int merge(int argc, const char* argv[]){
+//数据结构定义先
+
+int mergeMain(int argc, const char* argv[]){
+    cmdline::parser argParser;
+    argParser.add<std::string>("message", 'm', "merge message", true, "");
+    argParser.footer("<merge from> ...");
+
+    argParser.parse_check(argc, argv);
+    // 首先获得当前分支的,
+    if (argParser.rest().size() == 0) {
+        std::cout << argParser.usage();
+        return 0;
+    }
+    for (auto branch : argParser.rest()) {
+        std::cout << branch << std::endl;
+    }
+
+    // 参数解析 
+    
+    // 判断是否需要 merge 是否可以merege先
+    // 1. 判断是否有冲突
+    // 2. 判断是否有未提交的修改
+
     std::cout << "Join two or more development histories together" << std::endl;
     return 1;
 }
diff --git a/object/object.cpp b/object/object.cpp
index 42d7f62..96e4358 100644
--- a/object/object.cpp
+++ b/object/object.cpp
@@ -36,7 +36,11 @@ bool checkSha1(const std::string &sha1) {
 bool readCommit(const std::string &sha1, commit& thisCommit) {
 	if (sha1 == ""){
 		// not error, but also not commit
-		std::cerr << red << "Error: " << GIT_NAME << " your current branch 'master' does not have any commits yet" << Reset << std::endl;
+		// if this commit is empty ,then means there is no commit
+		if (thisCommit.sha1 == "") 
+			std::cerr << red << "Error: " << GIT_NAME << " your current branch 'master' does not have any commits yet" << Reset << std::endl;
+
+
 		return false;
 	}
 
diff --git a/test/test.py b/test/test.py
index 52ae0f9..c168abc 100644
--- a/test/test.py
+++ b/test/test.py
@@ -294,8 +294,9 @@ def main():
   parser.add_argument("exe", metavar = "executable-path")
   args = parser.parse_args()
 
-  app = os.path.abspath(args.exe)
-
+  app = os.path.abspath('D:\learn\programming\s-git\s-git.exe')
+  
+  print(app)
   LoadTmpDir()
   try:
     ret = main()