diff --git a/frameworks/ability_lite/src/ability_loader.cpp b/frameworks/ability_lite/src/ability_loader.cpp
index c254bbf605cea60a55b667eede6bb8c8fe01dd9e..025c3ebba6deb2b66fd488102e9d51eab55ca324 100644
--- a/frameworks/ability_lite/src/ability_loader.cpp
+++ b/frameworks/ability_lite/src/ability_loader.cpp
@@ -17,6 +17,12 @@
 #include "log.h"
 
 namespace OHOS {
+AbilityLoader &AbilityLoader::GetInstance()
+{
+    static AbilityLoader abilityLoader;
+    return abilityLoader;
+}
+
 void AbilityLoader::RegisterAbility(const std::string &abilityName, const CreateAbility &createFunc)
 {
     abilities_.emplace(abilityName, createFunc);
diff --git a/interfaces/kits/ability_lite/ability_loader.h b/interfaces/kits/ability_lite/ability_loader.h
index 330258b5a94ee08ed43184a7f14fc17e4b9164d1..c7bb08d2635428c7adbb6707e0c07a1dfddc2a83 100644
--- a/interfaces/kits/ability_lite/ability_loader.h
+++ b/interfaces/kits/ability_lite/ability_loader.h
@@ -73,11 +73,7 @@ using CreateSlice = std::function<AbilitySlice *(void)>;
  */
 class AbilityLoader {
 public:
-    static AbilityLoader &GetInstance()
-    {
-        static AbilityLoader abilityLoader;
-        return abilityLoader;
-    }
+    static AbilityLoader &GetInstance();
 
     ~AbilityLoader() = default;