สอบถาม code error ตอน run ESP 8266

รบกวนสอบถามหน่อยค่ะ พอดีได้ลองศึกษา ESP8266 Node MCU ตอน run program arduino IDE มันขึ้น error ตามด้านล่างนี้ค่ะ

Sketch uses 264984 bytes (25%) of program storage space. Maximum is 1044464 bytes.
Global variables use 27292 bytes (33%) of dynamic memory, leaving 54628 bytes for local variables. Maximum is 81920 bytes.
esptool.py v2.6
2.6
esptool.py v2.6
Serial port COM6
Connecting....
Chip is ESP8266EX
Features: WiFi
MAC: 84:0d:8e:ad:5b:04
Uploading stub...
Running stub...
Stub running...
Configuring flash size...
Auto-detected Flash size: 4MB
Compressed 269136 bytes to 195985...

Writing at 0x00000000... (8 %)
Writing at 0x00004000... (16 %)
Writing at 0x00008000... (25 %)
Writing at 0x0000c000... (33 %)
Writing at 0x00010000... (41 %)
Writing at 0x00014000... (50 %)
Writing at 0x00018000... (58 %)
Writing at 0x0001c000... (66 %)
Writing at 0x00020000... (75 %)
Writing at 0x00024000... (83 %)
Writing at 0x00028000... (91 %)
Writing at 0x0002c000... (100 %)
Wrote 269136 bytes (195985 compressed) at 0x00000000 in 17.5 seconds (effective 123.0 kbit/s)...
Hash of data verified.

Leaving...
Hard resetting via RTS pin...

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