diff --git a/models/blockchain.go b/models/blockchain.go
index 00a47969fb..484222557f 100755
--- a/models/blockchain.go
+++ b/models/blockchain.go
@@ -91,6 +91,7 @@ func GetBlockChainUnSuccessCommits() ([]*BlockChain, error) {
 	blockChains := make([]*BlockChain, 0, 10)
 	return blockChains, x.
 		Where("status != ?", BlockChainCommitSuccess).
+		Limit(100).
 		Find(&blockChains)
 }
 
diff --git a/models/repo.go b/models/repo.go
index be84a462eb..f4c3966774 100755
--- a/models/repo.go
+++ b/models/repo.go
@@ -2421,6 +2421,7 @@ func GetBlockChainUnSuccessRepos() ([]*Repository, error) {
 	repos := make([]*Repository, 0, 10)
 	return repos, x.
 		Where("block_chain_status != ?", RepoBlockChainSuccess).
+		Limit(100).
 		Find(&repos)
 }
 
diff --git a/models/user.go b/models/user.go
index 42e6883587..83bf1b2c0f 100755
--- a/models/user.go
+++ b/models/user.go
@@ -2047,6 +2047,7 @@ func GetBlockChainUnSuccessUsers() ([]*User, error) {
 	users := make([]*User, 0, 10)
 	err := x.Where("public_key = ''").
 		Or("private_key = ''").
+		Limit(100).
 		Find(&users)
 	return users, err
 }