diff --git a/source/api_cc/include/DeepPotPT.h b/source/api_cc/include/DeepPotPT.h
index 4c9c81f8f9..c9da731cd4 100644
--- a/source/api_cc/include/DeepPotPT.h
+++ b/source/api_cc/include/DeepPotPT.h
@@ -34,7 +34,9 @@ class DeepPotPT : public DeepPotBase {
    * @param[in] file_content The content of the model file. If it is not empty,
    *DP will read from the string instead of the file.
    **/
-  void init(const std::string& model, const int& gpu_rank = 0, const std::string& file_content = "");
+  void init(const std::string& model,
+            const int& gpu_rank = 0,
+            const std::string& file_content = "");
 
  private:
   /**
diff --git a/source/api_cc/src/DeepPotPT.cc b/source/api_cc/src/DeepPotPT.cc
index 7a1306bece..1aefc1b8d5 100644
--- a/source/api_cc/src/DeepPotPT.cc
+++ b/source/api_cc/src/DeepPotPT.cc
@@ -9,13 +9,15 @@ DeepPotPT::DeepPotPT(const std::string& model,
                      const std::string& file_content)
     : inited(false) {
   try {
-    init(model, gpu_rank,file_content);
+    init(model, gpu_rank, file_content);
   } catch (...) {
     // Clean up and rethrow, as the destructor will not be called
     throw;
   }
 }
-void DeepPotPT::init(const std::string& model, const int& gpu_rank, const std::string& file_content = "") {
+void DeepPotPT::init(const std::string& model,
+                     const int& gpu_rank,
+                     const std::string& file_content = "") {
   if (inited) {
     std::cerr << "WARNING: deepmd-kit should not be initialized twice, do "
                  "nothing at the second call of initializer"