问题已经解决
安装目录下的文件global.prop文件,就是管理文字颜 {MOD}的

我的电脑同时安装了Keil uVision4和Keil uVision5
将Keil uVision4目录下的global.prop文件拷贝替换Keil uVision5下面的同名文件,则ok

global.prop文件内容如下,需要的请将如下内容替换原文件中的内容(用记事本打开,进行编辑)

# properties for all file types
indent.automatic=1
virtual.space=0
view.whitespace=0
view.endofline=0
code.page=0
caretline.visible=1
highlight.matchingbraces=1
print.syntax.coloring=1
use.tab.color=1
create.backup.files=0
auto.load.ext.modfiles=0
save.prj.before.dbg=0
save.files.before.dbg=0
function.scanner.project=1
function.scanner.files=1
function.scanner.modules=1

# properties for c/cpp files
syntax.colouring.cpp=1
use.tab.cpp=0
tabsize.cpp=2
line.margin.visible.cpp=1
fold.cpp=1
monospaced.font.cpp=1

# properties for asm files
syntax.colouring.asm=1
use.tab.asm=0
tabsize.asm=4
line.margin.visible.asm=1
monospaced.font.asm=1

# properties for other files
use.tabs=0
tabsize=4
line.margin.visible.txt=0
monospaced.font.txt=1

# setting for code completion and syntax check
cc.autolist=1
cc.highlightsyntax=1
cc.showparameters=1
cc.triggerlist=0
cc.triggernumchars=3

# autosave for editor files
autosave=0
autosave.interval=5


# Specification for text selection and caret line
selection.fore=#000000
selection.back=#86C7F7
caret.fore=#000000
caret.back=#DEFEE6

# C/C++ Editor files
template.cpp="#define","#define |";"#if","#if | #endif";\
    "#include","#include ";"Header","// Header: // File Name: | // Author: // Date: ";\
    "continue","continue;";"do","do { // TODO: enter the block content here | } while (); ";\
    "enum","enum | { }; ";"for","for(|;;) { }";\
    "fpointer_type","typedef int (* |F)(); ";"function","void function(|) { } ";\
    "if","if (|)";"ifelse","if (|) { } else { }";\
    "struct","struct | { }; ";"switch","switch (|) { case: break; case: break; default: break; }";\
    "void","void | (); ";"while","while (|) { }";\
   
font.monospace.cpp=Courier New
style.cpp.32=font:Courier New,size:10,fore:#000000,back:#FFFFFF
style.cpp.4=font:Courier New,size:10,fore:#007F7F,back:#FFFFFF
style.cpp.10=font:Courier New,size:10,fore:#000000,back:#FFFFFF
style.cpp.1=font:Courier New,size:10,fore:#007F00,back:#FFFFFF
style.cpp.2=font:Courier New,size:10,fore:#007F00,back:#FFFFFF
style.cpp.5=font:Courier New,size:10,fore:#0000FF,back:#FFFFFF
style.cpp.6=font:Courier New,size:10,fore:#7F007F,back:#FFFFFF
style.cpp.11=font:Courier New,size:10,fore:#000000,back:#FFFFFF
style.cpp.9=font:Courier New,size:10,fore:#7F7F00,back:#FFFFFF
style.cpp.7=font:Courier New,size:10,fore:#7F007F,back:#FFFFFF
style.cpp.34=font:Courier New,size:10,fore:#500000,back:#20FFFF
style.cpp.35=font:Courier New,size:10,fore:#FF0000,back:#FFFFFF
style.cpp.16=font:Courier New,size:10,fore:#B00040,back:#FFFFFF
style.cpp.12=font:Courier New,size:10,fore:#000000,back:#E0C0E0


# Asm Editor files
font.monospace.asm=Courier New
style.asm.32=font:Courier New,size:10,fore:#000000,back:#FFFFFF
style.asm.1=font:Courier New,size:10,fore:#616161,back:#FFFFFF
style.asm.2=font:Courier New,size:10,fore:#FF0000,back:#FFFFFF
style.asm.3=font:Courier New,size:10,fore:#7F007F,back:#FFFFFF
style.asm.4=font:Courier New,size:10,fore:#000000,back:#FFFFFF
style.asm.5=font:Courier New,size:10,fore:#000000,back:#FFFFFF
style.asm.6=font:Courier New,size:10,fore:#0000FF,back:#FFFFFF
style.asm.7=font:Courier New,size:10,fore:#0000FF,back:#FFFFFF
style.asm.9=font:Courier New,size:10,fore:#0000FF,back:#FFFFFF
style.asm.10=font:Courier New,size:10,fore:#0000FF,back:#FFFFFF
style.asm.11=font:Courier New,size:10,fore:#007F00,back:#FFFFFF
style.asm.12=font:Courier New,size:10,fore:#7F007F,back:#FFFFFF
style.asm.8=font:Courier New,size:10,fore:#46AA03,back:#FFFFFF


# Editor Text files
font.monospace.txt=Courier New
style.txt.32=font:Verdana,size:10,fore:#000000,back:#FFFFFF

所有颜 {MOD}一样,就是txt的颜 {MOD},只要更改txt的颜 {MOD},所有字符颜 {MOD}跟着变,就是说颜 {MOD}可以改变,但只有一种颜 {MOD}