npm-v 报错，错误信息如下：
FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory
1: 000000013FC5ECE5
2: 000000013FC38196
3: 000000013FC38BA0
4: 000000013FEC8D5E
5: 000000013FEC8C8F
6: 00000001404069D4
7: 00000001403FD137
8: 00000001403FB6AC
9: 0000000140404627
10: 00000001404046A6
11: 000000013FFA73EB
12: 000000013FFA9DAD
13: 000000013FFA8EC6
14: 000000013FFA8FBA
15: 000000013FC4F224
16: 000000013FC4F71C
17: 000000013FBF7271
18: 000000013FCA76B7
19: 000000013FCA3194
20: 000000013FCA3DA3
21: 000000013FC3F71E
22: 000000013FC40005
23: 000000013FC408F1
24: 000000013FAE96F9
25: 00000001406D5DC8
26: 00000000774A59CD
27: 000000007770383D
<--- Last few GCs --->
[6088:00000000005BA500] 41296 ms: Scavenge 1395.0 (1425.2) -> 1394.2 (1425.7) MB, 3.3 / 0.0 ms (average mu = 0.085, current mu = 0.037) allocation failure
[6088:00000000005BA500] 41314 ms: Scavenge 1395.4 (1425.7) -> 1394.8 (1426.7) MB, 3.9 / 0.0 ms (average mu = 0.085, current mu = 0.037) allocation failure
[6088:00000000005BA500] 41332 ms: Scavenge 1396.1 (1426.7) -> 1395.5 (1431.7) MB, 4.2 / 0.0 ms (average mu = 0.085, current mu = 0.037) allocation failure
<--- JS stacktrace --->
FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory
经过搜索，最后的解决方案是删除npmrc文件（不是nodejs安装目录npm模块下的那个npmrc文件，而是C:Users{账户}下的.npmrc文件）。