diff --git a/c-pallets/audit/README.md b/c-pallets/audit/README.md
index 08d799d1..10ad2267 100644
--- a/c-pallets/audit/README.md
+++ b/c-pallets/audit/README.md
@@ -1,9 +1,9 @@
-# Segment Book Module
+# Audit Module
 This file is the exclusive pallet of cess and the proof of podr2 adaptation
 
 ## OverView
 
-The job of this segment Book pallet is to process the proof of miner's service file and filling file,  and generate random challenges. Call some traits of Smith pallet to punish miners. Call the trail of file bank pallet to obtain random files or files with problems in handling challenges.
+The job of this aduit pallet is to process the proof of miner's service file and filling file,  and generate random challenges. Call some traits of Smith pallet to punish miners. Call the trail of file bank pallet to obtain random files or files with problems in handling challenges.
 
 ### Terminology
 
diff --git a/c-pallets/audit/src/lib.rs b/c-pallets/audit/src/lib.rs
index 96c6a481..c45eb8a9 100644
--- a/c-pallets/audit/src/lib.rs
+++ b/c-pallets/audit/src/lib.rs
@@ -1,10 +1,10 @@
-//! # Segemnt Book Module
+//! # Audit Module
 //!
 //!  This file is the exclusive pallet of cess and the proof of podr2 adaptation
 //!
 //! ## OverView
 //!
-//!  The job of this segment Book pallet is to process the proof of miner's service file and filling
+//!  The job of this audit pallet is to process the proof of miner's service file and filling
 //! file,  and generate random challenges. Call some traits of Smith pallet to punish miners.
 //!  Call the trail of file bank pallet to obtain random files or files with problems in handling
 //! challenges.
diff --git a/docs/designs-of-storage-mining.md b/docs/designs-of-storage-mining.md
index 8dbb10d0..60c27db8 100644
--- a/docs/designs-of-storage-mining.md
+++ b/docs/designs-of-storage-mining.md
@@ -1,6 +1,6 @@
 # Designs of Storage Mining
 
-Segment book is the interface about proof of storage, which mainly deals with the proofs submission and verification of the data segments.
+Audit is the interface about proof of storage, which mainly deals with the proofs submission and verification of the data segments.
 
 ![Image](https://raw.githubusercontent.com/CESSProject/W3F-illustration/main/cess-v0.1.1/Substrate-Node-Template-2.png)
 
@@ -13,16 +13,16 @@ Segment book is the interface about proof of storage, which mainly deals with th
 
 ```
 //pool of the proof of replication(PoRep) ready to verify which is generated by idle segment
-VerPoolA = StorageDoubleMap<accountid, segemnt_id, (is_ready, size_type, proof, sealed_cid, rand, block_num)>
+VerPoolA = StorageDoubleMap<accountid, segment_id, (is_ready, size_type, proof, sealed_cid, rand, block_num)>
 
 //pool of the proof of space time(PoSt) ready to verify which is generated by idle segment
-VerPoolB = StorageDoubleMap<accountid, segemnt_id, (is_ready, size_type, proof, sealed_cid, rand, block_num)>
+VerPoolB = StorageDoubleMap<accountid, segment_id, (is_ready, size_type, proof, sealed_cid, rand, block_num)>
 
 //pool of PoRep verified which is generated by idle segment
-PrePoolA = StorageDoubleMap<accountid, segemnt_id, (size_type, proof, sealed_cid, block_num)>
+PrePoolA = StorageDoubleMap<accountid, segment_id, (size_type, proof, sealed_cid, block_num)>
 
 //pool of PoSt verified which is generated by idle segment
-PrePoolB = StorageDoubleMap<accountid, segemnt_id, (size_type, proof, sealed_cid, block_num)>
+PrePoolB = StorageDoubleMap<accountid, segment_id, (size_type, proof, sealed_cid, block_num)>
 
 //count the total block height of all idle segments of miner
 BlockNumberB = StorageMap<accountid, (block_num, total_num)>
@@ -124,16 +124,16 @@ begin with input(sender, peer_id, segment_id, result):
 
 ```
 //pool of PoRep ready to verify which is generated by service segment
-VerPoolC = StorageDoubleMap<accountid, segemnt_id, (is_ready, size_type, proof, sealed_cid, rand, block_num)>
+VerPoolC = StorageDoubleMap<accountid, segment_id, (is_ready, size_type, proof, sealed_cid, rand, block_num)>
 
 //pool of PoSt ready to verify which is generated by service segment
-VerPoolD = StorageDoubleMap<accountid, segemnt_id, (is_ready, size_type, proof, sealed_cid, rand, block_num)>
+VerPoolD = StorageDoubleMap<accountid, segment_id, (is_ready, size_type, proof, sealed_cid, rand, block_num)>
 
 //pool of PoRep verified which is generated by service segment
-PrePoolC = StorageDoubleMap<accountid, segemnt_id, (size_type, proof, sealed_cid, block_num)>
+PrePoolC = StorageDoubleMap<accountid, segment_id, (size_type, proof, sealed_cid, block_num)>
 
 //pool of PoSt verified which is generated by service segment
-PrePoolD = StorageDoubleMap<accountid, segemnt_id, (size_type, proof, sealed_cid, block_num)>
+PrePoolD = StorageDoubleMap<accountid, segment_id, (size_type, proof, sealed_cid, block_num)>
 
 //count the total block height of all service segments of miner
 BlockNumberD = StorageMap<accountid, (block_num, total_num)>