lein install got Exception in thread "main" java.lang.Exception: Unable to resolve spec: :avi.documents/document-ref

[zsdz]

My java version is 1.8,lein is 2.8

when use lein install,got this error:

wangkai@wangkai-VirtualBox:~/code/clojurefromgit/avi$ lein.sh install /usr/local
Compiling 1 source files to /home/wangkai/code/clojurefromgit/avi/target/classes
Compiling avi.lenses
java.lang.Exception: Unable to resolve spec: :avi.documents/document-ref, compiling:(lenses.clj:4:1)
Exception in thread "main" java.lang.Exception: Unable to resolve spec: :avi.documents/document-ref, compiling:(lenses.clj:4:1)
at clojure.lang.Compiler$InvokeExpr.eval(Compiler.java:3657)
at clojure.lang.Compiler.compile1(Compiler.java:7493)
at clojure.lang.Compiler.compile(Compiler.java:7560)
at clojure.lang.RT.compile(RT.java:408)
at clojure.lang.RT.load(RT.java:453)
at clojure.lang.RT.load(RT.java:421)
at clojure.core$load$fn__7596.invoke(core.clj:6007)
at clojure.core$load.invokeStatic(core.clj:6006)
at clojure.core$load.doInvoke(core.clj:5990)
at clojure.lang.RestFn.invoke(RestFn.java:408)
at clojure.core$load_one.invokeStatic(core.clj:5811)
at clojure.core$compile$fn__7601.invoke(core.clj:6017)
at clojure.core$compile.invokeStatic(core.clj:6017)
at clojure.core$compile.invoke(core.clj:6009)
at user$eval30$fn__39.invoke(form-init5876265382129098586.clj:1)
at user$eval30.invokeStatic(form-init5876265382129098586.clj:1)
at user$eval30.invoke(form-init5876265382129098586.clj:1)
at clojure.lang.Compiler.eval(Compiler.java:6946)
at clojure.lang.Compiler.eval(Compiler.java:6936)
at clojure.lang.Compiler.eval(Compiler.java:6936)
at clojure.lang.Compiler.load(Compiler.java:7398)
at clojure.lang.Compiler.loadFile(Compiler.java:7336)
at clojure.main$load_script.invokeStatic(main.clj:275)
at clojure.main$init_opt.invokeStatic(main.clj:277)
at clojure.main$init_opt.invoke(main.clj:277)
at clojure.main$initialize.invokeStatic(main.clj:308)
at clojure.main$null_opt.invokeStatic(main.clj:342)
at clojure.main$null_opt.invoke(main.clj:339)
at clojure.main$main.invokeStatic(main.clj:421)
at clojure.main$main.doInvoke(main.clj:384)
at clojure.lang.RestFn.invoke(RestFn.java:421)
at clojure.lang.Var.invoke(Var.java:383)
at clojure.lang.AFn.applyToHelper(AFn.java:156)
at clojure.lang.Var.applyTo(Var.java:700)
at clojure.main.main(main.java:37)
Caused by: java.lang.Exception: Unable to resolve spec: :avi.documents/document-ref
at clojure.spec$the_spec.invokeStatic(spec.clj:107)
at clojure.spec$spec_impl.invokeStatic(spec.clj:787)
at clojure.spec$spec_impl.invokeStatic(spec.clj:783)
at clojure.spec$def_impl.invokeStatic(spec.clj:275)
at clojure.spec$def_impl.invoke(spec.clj:271)
at clojure.lang.AFn.applyToHelper(AFn.java:160)
at clojure.lang.AFn.applyTo(AFn.java:144)
at clojure.lang.Compiler$InvokeExpr.eval(Compiler.java:3652)
... 34 more
Compilation failed: Subprocess failed

can you help me?Thanks!