diff --git a/plugins/Community_Basic.js b/plugins/Community_Basic.js
index 96948491..70c414b1 100644
--- a/plugins/Community_Basic.js
+++ b/plugins/Community_Basic.js
@@ -4,7 +4,7 @@
  *
  * @param cacheLimit
  * @desc The upper limit of images' cached size (MPixel)
- * @default 20
+ * @default 10
  *
  * @param screenWidth
  * @desc The resolution of screen width
@@ -29,7 +29,7 @@
  *
  * @param cacheLimit
  * @desc 画像のメモリへのキャッシュの上限値 (MPix)
- * @default 20
+ * @default 10
  *
  * @param screenWidth
  * @desc 画面サイズの幅
@@ -54,7 +54,7 @@
     }
 
     var parameters = PluginManager.parameters('Community_Basic');
-    var cacheLimit = toNumber(parameters['cacheLimit'], 20);
+    var cacheLimit = toNumber(parameters['cacheLimit'], 10);
     var screenWidth = toNumber(parameters['screenWidth'], 816);
     var screenHeight = toNumber(parameters['screenHeight'], 624);
     var renderingMode = parameters['renderingMode'].toLowerCase();
diff --git a/plugins/Debug_ReportMemory.js b/plugins/Debug_ReportMemory.js
index 24d226b4..e28d4fda 100644
--- a/plugins/Debug_ReportMemory.js
+++ b/plugins/Debug_ReportMemory.js
@@ -17,7 +17,7 @@
  *
  * @param Max Pixels In MPix
  * @desc decide the value of "cacheLimit" displayed in the upper right
- * @default 20
+ * @default 10
  *
  */
 
@@ -40,17 +40,17 @@
  *
  * @param Max Pixels In MPix
  * @desc 右上に表示されているcacheLimitの値を決めます
- * @default 20
+ * @default 10
  *
  */
 
 (function(){
     var parameters = PluginManager.parameters('Debug_ReportMemory');
-    var pixels = toNumber(parameters['Max Pixels In MPix'], 20);
+    var pixels = toNumber(parameters['Max Pixels In MPix'], 10);
     var communityPixels = PluginManager.parameters('Community_Basic')['cacheLimit'];
 
     if (communityPixels) {
-        pixels = toNumber(communityPixels, 20);
+        pixels = toNumber(communityPixels, 10);
         console.log('Community_Basic plugin has been installed, so it overwrites the setting value of cacheLimit. ' +
         'cacheLimit: ' + pixels + 'MPix');
     }