diff --git a/CMakeLists.txt b/CMakeLists.txt
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diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,3 +1,6 @@
 # picard_cpp
 
-cpp重写picard，对bam进行去冗余等操作
\ No newline at end of file
+cpp重写picard，对bam进行去冗余等操作
+
+# 依赖的第三方库
+- htslib
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
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diff --git a/src/main.cpp b/src/main.cpp
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diff --git a/src/module.h b/src/module.h
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diff --git a/src/sam/markdups/markdups.cpp b/src/sam/markdups/markdups.cpp
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diff --git a/src/sam/markdups/markdups_arg.cpp b/src/sam/markdups/markdups_arg.cpp
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diff --git a/src/sam/markdups/markdups_arg.h b/src/sam/markdups/markdups_arg.h
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