diff --git a/Zframework/bgm.lua b/Zframework/bgm.lua
index fd7c6b4f..364b38e8 100644
--- a/Zframework/bgm.lua
+++ b/Zframework/bgm.lua
@@ -62,16 +62,20 @@ function BGM.init(list)
                 Sources[name]:setLooping(true)
                 Sources[name]:setVolume(0)
                 return true
-            -- else
-                -- MES.new('warn',"[no BGM] "..Sources[name],5)
+            else
+                LOG("No BGM: "..Sources[name],5)
             end
         elseif Sources[name]then
             return true
-        -- elseif name then
-            -- MES.new('warn',"No BGM: "..name,5)
+        elseif name then
+            LOG("No BGM: "..name,5)
+        end
+    end
+    function BGM.loadAll()--Not neccessary, unless you want avoid the lag when playing something for the first time
+        for name in next,Sources do
+            _load(name)
         end
     end
-    function BGM.loadAll()for name in next,Sources do _load(name)end end
     function BGM.play(name)
         name=name or BGM.default
         if not _load(name)then return end
diff --git a/Zframework/image.lua b/Zframework/image.lua
index 61cedf65..260b9c6b 100644
--- a/Zframework/image.lua
+++ b/Zframework/image.lua
@@ -12,7 +12,7 @@ function IMG.init(list)
         elseif type(list[name])=='string'then
             self[name]=love.graphics.newImage(list[name])
         else
-            MES.new('warn',"No IMG: "..name,5)
+            LOG("No IMG: "..name)
             self[name]=null
         end
         return self[name]
diff --git a/Zframework/init.lua b/Zframework/init.lua
index ea26c2ec..775f8007 100644
--- a/Zframework/init.lua
+++ b/Zframework/init.lua
@@ -30,6 +30,7 @@ do--Add pcall & MES for JSON lib
 end
 
 --Pure lua modules (complex)
+LOG=        require'Zframework.log'
 REQUIRE=    require'Zframework.require'
 TASK=       require'Zframework.task'
 WS=         require'Zframework.websocket'
diff --git a/Zframework/languages.lua b/Zframework/languages.lua
index 60208b22..a4798236 100644
--- a/Zframework/languages.lua
+++ b/Zframework/languages.lua
@@ -33,6 +33,10 @@ function LANG.init(defaultLang,langList,publicText,pretreatFunc)
     end
 
     function LANG.get(l)
+        if not langList[l]then
+            LOG("Wrong language: "..tostring(l))
+            l=defaultLang
+        end
         return langList[l]
     end
 
diff --git a/Zframework/log.lua b/Zframework/log.lua
new file mode 100644
index 00000000..b727064f
--- /dev/null
+++ b/Zframework/log.lua
@@ -0,0 +1,19 @@
+local ins=table.insert
+
+local logs={os.date("Techmino logs  %Y/%m/%d %A")}
+
+local function log(message)
+    ins(logs,os.date("%H:%M:%S")..message)
+end
+
+local LOG=setmetatable({logs=logs},{
+    __call=function(_,message)
+        log(message)
+    end
+})
+
+function LOG.read()
+    return table.concat(logs,"\n")
+end
+
+return LOG
\ No newline at end of file
diff --git a/Zframework/sfx.lua b/Zframework/sfx.lua
index 3a09cf56..81aae38a 100644
--- a/Zframework/sfx.lua
+++ b/Zframework/sfx.lua
@@ -18,7 +18,7 @@ function SFX.init(list)
             if love.filesystem.getInfo(fullPath)then
                 Sources[list[i]]={love.audio.newSource(fullPath,'static')}
             else
-                MES.new('warn',"[no SFX] "..list[i]..'.ogg',.1)
+                LOG("No SFX: "..list[i]..'.ogg',.1)
             end
         end
 
diff --git a/Zframework/voice.lua b/Zframework/voice.lua
index e05d3c05..1e59b9af 100644
--- a/Zframework/voice.lua
+++ b/Zframework/voice.lua
@@ -45,8 +45,9 @@ function VOC.init(list)
             repeat n=n+1 until not _loadVoiceFile(path,list[i],list[i]..'_'..n)
 
             if n==1 then
-                _loadVoiceFile(path,list[i],list[i])
-                -- if not _loadVoiceFile(path,list[i],list[i])then MES.new('warn',"[]no VOC] "..list[i],.1)end
+                if not _loadVoiceFile(path,list[i],list[i])then
+                    LOG("No VOC: "..list[i],.1)
+                end
             end
             if not Source[list[i]][1]then
                 Source[list[i]]=nil
diff --git a/parts/scenes/app_console.lua b/parts/scenes/app_console.lua
index a71299f4..9803fbc8 100644
--- a/parts/scenes/app_console.lua
+++ b/parts/scenes/app_console.lua
@@ -341,6 +341,20 @@ local commands={}do
             "Usage: mes <check|info|warn|error>",
         },
     }
+    commands.log={
+        code=function()
+            local l=LOG.logs
+            for i=1,#l do
+                log(l[i])
+            end
+        end,
+        description="Show the logs",
+        details={
+            "Show the logs",
+            "",
+            "Usage: log",
+        },
+    }
     commands.openurl={
         code=function(url)
             if url~=""then