diff --git a/cocos/platform/android/CCEnhanceAPI-android.cpp b/cocos/platform/android/CCEnhanceAPI-android.cpp
index 5e036cbd96..96b9d84b2d 100644
--- a/cocos/platform/android/CCEnhanceAPI-android.cpp
+++ b/cocos/platform/android/CCEnhanceAPI-android.cpp
@@ -52,6 +52,7 @@ int EnhanceAPI::setResolutionPercent(int n)
     if(JniHelper::getStaticMethodInfo(t, CLASS_NAME, "setResolutionPercent", "(I)I"))
     {
         ret = t.env->CallStaticIntMethod(t.classID, t.methodID, n);
+        t.env->DeleteLocalRef(t.classID);
     }
     return ret;
 }
@@ -63,6 +64,7 @@ int EnhanceAPI::setFPS(int fps)
     if(JniHelper::getStaticMethodInfo(t, CLASS_NAME, "setFPS", "(I)I"))
     {
         ret = t.env->CallStaticIntMethod(t.classID, t.methodID, fps);
+        t.env->DeleteLocalRef(t.classID);
     }
     return ret;
 }
@@ -74,6 +76,7 @@ int EnhanceAPI::fastLoading(int sec)
     if(JniHelper::getStaticMethodInfo(t, CLASS_NAME, "fastLoading", "(I)I"))
     {
         ret = t.env->CallStaticIntMethod(t.classID, t.methodID, sec);
+        t.env->DeleteLocalRef(t.classID);
     }
     return ret;
 }
@@ -85,6 +88,7 @@ int EnhanceAPI::getTemperature()
     if(JniHelper::getStaticMethodInfo(t, CLASS_NAME, "getTemperature", "()I"))
     {
         ret = t.env->CallStaticIntMethod(t.classID, t.methodID);
+        t.env->DeleteLocalRef(t.classID);
     }
     return ret;
 }
@@ -96,6 +100,7 @@ int EnhanceAPI::setLowPowerMode(bool enable)
     if(JniHelper::getStaticMethodInfo(t, CLASS_NAME, "setLowPowerMode", "(Z)I"))
     {
         ret = t.env->CallStaticIntMethod(t.classID, t.methodID, enable);
+        t.env->DeleteLocalRef(t.classID);
     }
     return ret;
 }