diff --git a/frameworks/native/ability/native/ability_runtime/js_ability.cpp b/frameworks/native/ability/native/ability_runtime/js_ability.cpp
index 47113ad393..2b9b19b851 100644
--- a/frameworks/native/ability/native/ability_runtime/js_ability.cpp
+++ b/frameworks/native/ability/native/ability_runtime/js_ability.cpp
@@ -1070,7 +1070,7 @@ std::shared_ptr<AppExecFwk::ADelegatorAbilityProperty> JsAbility::CreateADelegat
     } else {
         std::string::size_type pos = GetAbilityName().find(GetApplicationInfo()->bundleName);
         if (pos == std::string::npos || pos != 0) {
-            property->fullName_ = GetApplicationInfo()->bundleName + "" + GetAbilityName();
+            property->fullName_ = GetApplicationInfo()->bundleName + "." + GetAbilityName();
         } else {
             property->fullName_ = GetAbilityName();
         }
diff --git a/frameworks/simulator/ability_simulator/src/simulator.cpp b/frameworks/simulator/ability_simulator/src/simulator.cpp
index ed7536cece..16830fee30 100644
--- a/frameworks/simulator/ability_simulator/src/simulator.cpp
+++ b/frameworks/simulator/ability_simulator/src/simulator.cpp
@@ -307,7 +307,7 @@ bool SimulatorImpl::ParseAbilityInfo(const std::string &abilitySrcPath, const st
         abilityInfo_ = AppExecFwk::BundleContainer::GetInstance().GetAbilityInfo(options_.moduleName, abilityName);
     } else {
         auto path = abilitySrcPath;
-        path.erase(path.rfind(""));
+        path.erase(path.rfind("."));
         auto abilityNameFromPath = path.substr(path.rfind('/') + 1, path.length());
         abilityInfo_ = AppExecFwk::BundleContainer::GetInstance().GetAbilityInfo(
             options_.moduleName, abilityNameFromPath);