diff --git a/_locales/de/Grove-strings.json b/_locales/de/Grove-strings.json
new file mode 100644
index 0000000..d137aff
--- /dev/null
+++ b/_locales/de/Grove-strings.json
@@ -0,0 +1,39 @@
+{
+    "{id:category}Grove": "Grove",
+    "GroveGesture.None|block": "keine",
+    "GroveGesture.Right|block": "rechts",
+    "GroveGesture.Left|block": "links",
+    "GroveGesture.Up|block": "auf",
+    "GroveGesture.Down|block": "nieder",
+    "GroveGesture.Forward|block": "vorwärts",
+    "GroveGesture.Backward|block": "rückwärts",
+    "GroveGesture.Clockwise|block": "Uhrzeigersinn",
+    "GroveGesture.Anticlockwise|block": "Gegenuhrzeigersinn",
+    "GroveGesture.Wave|block": "Welle",
+    "grove.initGesture|block": "initialisiere Grove Gestenerkennung",
+    "grove.getGestureModel|block": "hole Geste",
+    "grove.onGesture|block": "wenn Grove - Gestensensor |%gesture|",
+    "grove.measureInCentimeters|block": "Ultraschallsensor (in cm) an |%pin",
+    "grove.measureInInches|block": "Ultraschallsensor (in inch) an |%pin",
+    "grove.createDisplay|block": "4-Ziffern Display an|%clkPin|und|%dataPin",
+    "grove.PAJ7620.init|block": "%strip|initialisiere den Gestensensor",
+    "grove.PAJ7620.read|block": "%strip|erkenne Geste",
+    "grove.TM1637.show|block": "%strip|zeige Zahl|%dispData|",
+    "grove.TM1637.set|block": "%strip|setze Helligkeit auf|%level|",
+    "grove.TM1637.bit|block": "%strip|zeige Ziffer|%dispData|an Stelle|%bitAddr|",
+    "grove.TM1637.point|block": "%strip|schalte Kommapunkt|%point|",
+    "grove.TM1637.clear|block": "%strip|lösche 4-Ziffern Display",
+    "GroveJoystickKey.None|block": "Keiner",
+    "GroveJoystickKey.Right|block": "Rechts",
+    "GroveJoystickKey.Left|block": "Links",
+    "GroveJoystickKey.Up|block": "Hoch",
+    "GroveJoystickKey.Down|block": "Runter",
+    "GroveJoystickKey.UL|block": "Oben links",
+    "GroveJoystickKey.UR|block": "Oben rechts",
+    "GroveJoystickKey.LL|block": "Unten links",
+    "GroveJoystickKey.LR|block": "Unten rechts",
+    "GroveJoystickKey.Press|block": "Gedrückt",
+    "grove.strip.read|block": "%strip|lies Position von Joystick an|%xpin|und|%ypin",
+    "grove.onJoystick|block": "wenn Grove - Joysticktaste|%key an|%xpin|und|%ypin",
+    "grove.getJoystick|block": "hole Joysticktaste an|%xpin|und|%ypin"
+}
diff --git a/main.ts b/main.ts
index 7f72883..c088082 100644
--- a/main.ts
+++ b/main.ts
@@ -260,59 +260,74 @@ namespace grove {
         //% blockId=grove_tm1637_display_number block="%strip|show number|%dispData"
         show(dispData: number)
         {       
+            let compare_01:number = dispData % 100;
+            let compare_001:number = dispData % 1000;
+
             if(dispData < 10)
             {
                 this.bit(dispData, 3);
                 this.bit(0x7f, 2);
                 this.bit(0x7f, 1);
-                this.bit(0x7f, 0);
-                
-                this.buf[3] = dispData;
-                this.buf[2] = 0x7f;
-                this.buf[1] = 0x7f;
-                this.buf[0] = 0x7f;
+                this.bit(0x7f, 0);                
             }
             else if(dispData < 100)
             {
                 this.bit(dispData % 10, 3);
-                this.bit((dispData / 10) % 10, 2);
+                if(dispData > 90){
+                    this.bit(9, 2);
+                } else{
+                    this.bit(Math.floor(dispData / 10) % 10, 2);
+                }
+                
                 this.bit(0x7f, 1);
                 this.bit(0x7f, 0);
-                
-                this.buf[3] = dispData % 10;
-                this.buf[2] = (dispData / 10) % 10;
-                this.buf[1] = 0x7f;
-                this.buf[0] = 0x7f;
             }
             else if(dispData < 1000)
             {
                 this.bit(dispData % 10, 3);
-                this.bit((dispData / 10) % 10, 2);
-                this.bit((dispData / 100) % 10, 1);
+                if(compare_01 > 90){
+                    this.bit(9, 2);
+                } else{
+                    this.bit(Math.floor(dispData / 10) % 10, 2);
+                }
+                if(compare_001 > 900){
+                    this.bit(9, 1);
+                } else{
+                    this.bit(Math.floor(dispData / 100) % 10, 1);
+                }
                 this.bit(0x7f, 0);
-                
-                this.buf[3] = dispData % 10;
-                this.buf[2] = (dispData / 10) % 10;
-                this.buf[1] = (dispData / 100) % 10;
-                this.buf[0] = 0x7f;
             }
-            else
+            else if(dispData < 10000)
             {
                 this.bit(dispData % 10, 3);
-                this.bit((dispData / 10) % 10, 2);
-                this.bit((dispData / 100) % 10, 1);
-                this.bit((dispData / 1000) % 10, 0);
-                
-                this.buf[3] = dispData % 10;
-                this.buf[2] = (dispData / 10) % 10;
-                this.buf[1] = (dispData / 100) % 10;
-                this.buf[0] = (dispData / 1000) % 10;
+                if(compare_01 > 90){
+                    this.bit(9, 2);
+                } else{
+                    this.bit(Math.floor(dispData / 10) % 10, 2);
+                }
+                if(compare_001 > 900){
+                    this.bit(9, 1);
+                } else{
+                    this.bit(Math.floor(dispData / 100) % 10, 1);
+                }
+                if(dispData > 9000){
+                    this.bit(9, 0);
+                } else{
+                    this.bit(Math.floor(dispData / 1000) % 10, 0);
+                }
+            }
+            else 
+            {
+                this.bit(9, 3);
+                this.bit(9, 2);
+                this.bit(9, 1);
+                this.bit(9, 0);
             }
         }
         
         /**
          * Set the brightness level of display at from 0 to 7
-         * @param level value of brightness level
+         * @param level value of brightness light level
          */
         //% blockId=grove_tm1637_set_display_level block="%strip|brightness level to|%level"
         //% level.min=0 level.max=7
@@ -395,7 +410,7 @@ namespace grove {
          * @param xPin
          * @param yPin
          */
-        //% blockId=grove_joystick_read block="%strip|read position of joystick"
+        //% blockId=grove_joystick_read block="%strip|read position of joystick at|%xpin|and|%ypin"
         //% advanced=true
         read(xPin: AnalogPin, yPin: AnalogPin): number {
             let xdata = 0, ydata = 0, result = 0;
@@ -533,7 +548,7 @@ namespace grove {
      * get Joystick key
      * 
      */
-    //% blockId=grove_getjoystick block="get joystick key at|%xpin|and|%xpin"
+    //% blockId=grove_getjoystick block="get joystick key at|%xpin|and|%ypin"
     export function getJoystick(xpin: AnalogPin, ypin: AnalogPin): number {
         return joystick.read(xpin, ypin);
     }
@@ -568,7 +583,7 @@ namespace grove {
      * @param ypin
      * @param handler code to run
      */
-    //% blockId=grove_joystick_create_event block="on Key|%key"
+    //% blockId=grove_joystick_create_event block="on Key|%key at |%xpin|and|%ypin"
     export function onJoystick(key: GroveJoystickKey, xpin: AnalogPin, ypin: AnalogPin, handler: () => void) {
         control.onEvent(joystickEventID, key, handler);
         control.inBackground(() => {
@@ -583,4 +598,4 @@ namespace grove {
         })
         
     }
-}
\ No newline at end of file
+}
diff --git a/pxt.json b/pxt.json
index 869fea7..bbb7d99 100644
--- a/pxt.json
+++ b/pxt.json
@@ -1,6 +1,6 @@
 {
     "name": "Grove",
-    "version": "0.1.5",
+    "version": "0.1.7",
     "description": "A Microsoft MakeCode package for Seeed Studio Grove module",
     "license": "MIT",
     "dependencies": {
@@ -9,7 +9,8 @@
     "files": [
         "README.md",
         "main.ts",
-        "_locales/ja/Grove-strings.json"
+        "_locales/ja/Grove-strings.json",
+        "_locales/de/Grove-strings.json"
     ],
     "testFiles": [
         "test.ts"