Problem description:
System: Windows 7 x64
Node.js version: Version is: V4.2.4 LTS
Introduction to Node.js: Notes on setting up the Node.js Web development environment under Windows 7
Sample code downloaded from IBM Bluemix. Error starting debugging locally: Error: Cannot find Module ‘Express’
The diagram below:

Solutions:
Just execute the command “NPM install” in the corresponding application directory, as shown in the figure below:

Before the above operation, the command “NPM install -g Express” was also executed, I wonder if it has any effect, as shown in the figure below:

= = = = = = = = = = = = = = = = = = = = = = = = = = = = I am separated line = = = = = = = = = = = = = = = = = = = = =
Please use a word to show that although you spend Valentine’s Day alone, but not lonely……
A: Where is my pump?
B: Watching ghost movies at night, I instantly feel someone in the kitchen, the toilet, the wardrobe, and under the bed. I don’t feel bored at all…
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Valentine’s Day is the day when the mistress and the principal room rob a man, the day when the underground party rises to the surface, the day when the rose appreciates, and the day when the living are created! At 4 p.m., the florist smiled; At six o ‘clock in the evening, the owner of the restaurant smiled; At 9 p.m., the nightclub manager smiled; Midnight, the hotel owner smiled; The next day, the drugstore owner smiled; A month later, the gynecological hospital doctors and nurses all smiled.