diff --git a/docs/en/module/faces_rfid.md b/docs/en/module/faces_rfid.md
index c174cd6e..2a3d8880 100644
--- a/docs/en/module/faces_rfid.md
+++ b/docs/en/module/faces_rfid.md
@@ -56,7 +56,7 @@ Communication Protocol: I2C.
Reading and writing distance
-
< 8cm
+
< 20 mm
net weight
diff --git a/docs/en/unit/accel.md b/docs/en/unit/accel.md
index 56e244ab..5d3185ad 100644
--- a/docs/en/unit/accel.md
+++ b/docs/en/unit/accel.md
@@ -106,7 +106,7 @@ By measuring the amount of static acceleration due to gravity, you can find out
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed.
diff --git a/docs/en/unit/adc.md b/docs/en/unit/adc.md
index 439d4be8..a1da34b4 100644
--- a/docs/en/unit/adc.md
+++ b/docs/en/unit/adc.md
@@ -108,7 +108,7 @@ GAIN = 1, 2, 4, OR 8
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/cardkb.md b/docs/en/unit/cardkb.md
index 41f8e730..259e7f1f 100644
--- a/docs/en/unit/cardkb.md
+++ b/docs/en/unit/cardkb.md
@@ -86,7 +86,7 @@ It also can achieve button combination(Sym+Key, Shift+Key, Fn+Key) and output ri
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/dac.md b/docs/en/unit/dac.md
index 1f8e1aee..6a9b8a4e 100644
--- a/docs/en/unit/dac.md
+++ b/docs/en/unit/dac.md
@@ -72,7 +72,7 @@
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/dual_button.md b/docs/en/unit/dual_button.md
index aec84e2e..41048cdf 100644
--- a/docs/en/unit/dual_button.md
+++ b/docs/en/unit/dual_button.md
@@ -59,7 +59,7 @@ This unit communicates with M5Core through GROVE B port.
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/earth.md b/docs/en/unit/earth.md
index e0993418..83fee239 100644
--- a/docs/en/unit/earth.md
+++ b/docs/en/unit/earth.md
@@ -59,7 +59,7 @@ You can read the moisture in soil by ADC.Inside this Unit we put an extra potent
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/esp32cam.md b/docs/en/unit/esp32cam.md
index d5d9429b..6b110707 100644
--- a/docs/en/unit/esp32cam.md
+++ b/docs/en/unit/esp32cam.md
@@ -83,7 +83,7 @@ what this software can do?
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/extio.md b/docs/en/unit/extio.md
index 5cd53c6b..5b8659db 100644
--- a/docs/en/unit/extio.md
+++ b/docs/en/unit/extio.md
@@ -67,7 +67,7 @@ It’s difficult to foresee the needs of your project from the start. EXT.IO is
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/gps.md b/docs/en/unit/gps.md
index 51aeeda5..4e2085f5 100644
--- a/docs/en/unit/gps.md
+++ b/docs/en/unit/gps.md
@@ -114,7 +114,7 @@ UART settings :
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/ir.md b/docs/en/unit/ir.md
index 93d02ada..4a99fe62 100644
--- a/docs/en/unit/ir.md
+++ b/docs/en/unit/ir.md
@@ -52,7 +52,7 @@ IR remote control is widely used in consumer electronics,it can be used to opera
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/laser-rx.md b/docs/en/unit/laser-rx.md
index 59ecd31d..5a304941 100644
--- a/docs/en/unit/laser-rx.md
+++ b/docs/en/unit/laser-rx.md
@@ -69,7 +69,7 @@ Two parallel beams are needed, one for transmission and one for reception. There
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/laser-tx.md b/docs/en/unit/laser-tx.md
index 998c8beb..facdf6ce 100644
--- a/docs/en/unit/laser-tx.md
+++ b/docs/en/unit/laser-tx.md
@@ -63,7 +63,7 @@ Port type of this unit is PORTB.
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/m5camera.md b/docs/en/unit/m5camera.md
index 4e9d3758..458aa4c4 100644
--- a/docs/en/unit/m5camera.md
+++ b/docs/en/unit/m5camera.md
@@ -97,7 +97,7 @@ what this software can do?
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/m5camera_f.md b/docs/en/unit/m5camera_f.md
index 7759c24d..80c7b887 100644
--- a/docs/en/unit/m5camera_f.md
+++ b/docs/en/unit/m5camera_f.md
@@ -99,7 +99,7 @@ what this software can do?
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/m5camera_f_new.md b/docs/en/unit/m5camera_f_new.md
index 90fa4d3d..009b7c57 100644
--- a/docs/en/unit/m5camera_f_new.md
+++ b/docs/en/unit/m5camera_f_new.md
@@ -96,7 +96,7 @@ what this software can do?
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/m5camera_x.md b/docs/en/unit/m5camera_x.md
index 4b6c5a8e..441a3080 100644
--- a/docs/en/unit/m5camera_x.md
+++ b/docs/en/unit/m5camera_x.md
@@ -95,7 +95,7 @@ what this software can do?
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/makey.md b/docs/en/unit/makey.md
index 5bf73454..c62fc80b 100644
--- a/docs/en/unit/makey.md
+++ b/docs/en/unit/makey.md
@@ -76,7 +76,7 @@ Repeat the same operation as above. you will see this sound much better.
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/neoflash.md b/docs/en/unit/neoflash.md
index bfbd2226..8f7908dd 100644
--- a/docs/en/unit/neoflash.md
+++ b/docs/en/unit/neoflash.md
@@ -75,7 +75,7 @@ When you plug the GROVE PORTA into M5core, you have convert it into 3 extended G
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/neopixel.md b/docs/en/unit/neopixel.md
index b700f4cf..5510e2b6 100644
--- a/docs/en/unit/neopixel.md
+++ b/docs/en/unit/neopixel.md
@@ -58,7 +58,7 @@
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/pahub.md b/docs/en/unit/pahub.md
index acdf7879..1a9cd8fd 100644
--- a/docs/en/unit/pahub.md
+++ b/docs/en/unit/pahub.md
@@ -83,7 +83,7 @@ After soldering a 0 ohm resistor, the corresponding pin will change from low to
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/pbhub.md b/docs/en/unit/pbhub.md
index f4f07354..e762b3c7 100644
--- a/docs/en/unit/pbhub.md
+++ b/docs/en/unit/pbhub.md
@@ -59,7 +59,7 @@ See the below picture for timing sequence of HX711:
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/rfid.md b/docs/en/unit/rfid.md
index 685cf7c7..b7ca0ba4 100644
--- a/docs/en/unit/rfid.md
+++ b/docs/en/unit/rfid.md
@@ -22,7 +22,7 @@ Connect this Unit to GROVE PORTA on M5Core, IIC adress is 0x28.
- Supported protocol: ISO14443A, MIFARE and NTAG
- Operate temperature: -20℃-85℃
- How long data be saved for: > 10 years
-- Reading and writing distance: < 8 cm
+- Reading and writing distance: < 20 mm
- Program Platform: Arduino, UIFlow(Blockly, Python)
- Two Lego installation holes
@@ -73,7 +73,7 @@ Connect this Unit to GROVE PORTA on M5Core, IIC adress is 0x28.
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/rs485.md b/docs/en/unit/rs485.md
index efd199ea..5476e45f 100644
--- a/docs/en/unit/rs485.md
+++ b/docs/en/unit/rs485.md
@@ -58,7 +58,7 @@ It is used to convert the TTL standard to the RS485 standard. If the outside ser
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/thermal.md b/docs/en/unit/thermal.md
index 2fdbd429..de5cf9ad 100644
--- a/docs/en/unit/thermal.md
+++ b/docs/en/unit/thermal.md
@@ -72,7 +72,7 @@ The Unit communicates with the M5Core through the Grove A interface, IIC address
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/trace.md b/docs/en/unit/trace.md
index 0442132d..0800125e 100644
--- a/docs/en/unit/trace.md
+++ b/docs/en/unit/trace.md
@@ -62,7 +62,7 @@ This Unit communicates with the M5Core via GROVE PORTA I2C(0x5A).
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/unit_fan.md b/docs/en/unit/unit_fan.md
index 69516bb4..eb30e33f 100644
--- a/docs/en/unit/unit_fan.md
+++ b/docs/en/unit/unit_fan.md
@@ -61,7 +61,7 @@ This N20 motor is has a 5V supply voltage. The output shaft has a rotational spe
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/vibrator.md b/docs/en/unit/vibrator.md
index b829ceef..71675bdc 100644
--- a/docs/en/unit/vibrator.md
+++ b/docs/en/unit/vibrator.md
@@ -61,7 +61,7 @@ These days miniature vibrating motors are used in a wide range of products, not
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/en/unit/weight.md b/docs/en/unit/weight.md
index 31608493..917f46ab 100644
--- a/docs/en/unit/weight.md
+++ b/docs/en/unit/weight.md
@@ -95,7 +95,7 @@ power supply regulator:
-
+download EasyLoader
>1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .
diff --git a/docs/zh_CN/module/faces_rfid.md b/docs/zh_CN/module/faces_rfid.md
index f01a55be..f32b1954 100644
--- a/docs/zh_CN/module/faces_rfid.md
+++ b/docs/zh_CN/module/faces_rfid.md
@@ -52,7 +52,7 @@