diff --git a/client/src/cmdhfwaveshare.c b/client/src/cmdhfwaveshare.c
index b7148c6df..c6e9e4742 100644
--- a/client/src/cmdhfwaveshare.c
+++ b/client/src/cmdhfwaveshare.c
@@ -640,21 +640,30 @@ static int start_drawing_1in54B(uint8_t model_nr, uint8_t *black, uint8_t *red)
 static int start_drawing(uint8_t model_nr, uint8_t *black, uint8_t *red) {
     uint8_t progress = 0;
     uint8_t step0[2] = {0xcd, 0x0d};
-    uint8_t step1[3] = {0xcd, 0x00, 10};    //select e-paper type and reset e-paper        4:2.13inch e-Paper   7:2.9inch e-Paper  10:4.2inch e-Paper  14:7.5inch e-Paper
-    uint8_t step2[2] = {0xcd, 0x01};      //e-paper normal mode  type：
-    uint8_t step3[2] = {0xcd, 0x02};      //e-paper config1
-    uint8_t step4[2] = {0xcd, 0x03};      //e-paper power on
-    uint8_t step5[2] = {0xcd, 0x05};      //e-paper config2
-    uint8_t step6[2] = {0xcd, 0x06};      //EDP load to main
-    uint8_t step7[2] = {0xcd, 0x07};      //Data preparation
-    uint8_t step8[123] = {0xcd, 0x08, 0x64};  //Data start command   2.13inch(0x10:Send 16 data at a time)    2.9inch(0x10:Send 16 data at a time)     4.2inch(0x64:Send 100 data at a time)  7.5inch(0x78:Send 120 data at a time)
-    uint8_t step9[2] = {0xcd, 0x18};     //e-paper power on
-    uint8_t step10[2] = {0xcd, 0x09};     //Refresh e-paper
-    uint8_t step11[2] = {0xcd, 0x0a};     //wait for ready
-    uint8_t step12[2] = {0xcd, 0x04};     //e-paper power off command
+    uint8_t step1[3] = {0xcd, 0x00, 10};  // select e-paper type and reset e-paper
+        //  4 :2.13inch e-Paper
+        //  7 :2.9inch e-Paper
+        // 10 :4.2inch e-Paper
+        // 14 :7.5inch e-Paper
+    uint8_t step2[2] = {0xcd, 0x01};      // e-paper normal mode  type：
+    uint8_t step3[2] = {0xcd, 0x02};      // e-paper config1
+    uint8_t step4[2] = {0xcd, 0x03};      // e-paper power on
+    uint8_t step5[2] = {0xcd, 0x05};      // e-paper config2
+    uint8_t step6[2] = {0xcd, 0x06};      // EDP load to main
+    uint8_t step7[2] = {0xcd, 0x07};      // Data preparation
+
+    uint8_t step8[123] = {0xcd, 0x08, 0x64};  // Data start command 
+        // 2.13inch(0x10:Send 16 data at a time)
+        // 2.9inch(0x10:Send 16 data at a time)
+        // 4.2inch(0x64:Send 100 data at a time)
+        // 7.5inch(0x78:Send 120 data at a time)
+    uint8_t step9[2] = {0xcd, 0x18};      // e-paper power on
+    uint8_t step10[2] = {0xcd, 0x09};     // Refresh e-paper
+    uint8_t step11[2] = {0xcd, 0x0a};     // wait for ready
+    uint8_t step12[2] = {0xcd, 0x04};     // e-paper power off command
     uint8_t step13[124] = {0xcd, 0x19, 121};
-// uint8_t step13[2]={0xcd,0x0b};     //Judge whether the power supply is turned off successfully
-// uint8_t step14[2]={0xcd,0x0c};     //The end of the transmission
+// uint8_t step13[2]={0xcd,0x0b};     // Judge whether the power supply is turned off successfully
+// uint8_t step14[2]={0xcd,0x0c};     // The end of the transmission
     uint8_t rx[20];
     uint16_t actrxlen[20], i = 0;