fix rejudge, add cache

yarn.lock

@@ -288,6 +288,13 @@ commander@^3.0.2:
   resolved "https://registry.yarnpkg.com/commander/-/commander-3.0.2.tgz#6837c3fb677ad9933d1cfba42dd14d5117d6b39e"
   integrity sha512-Gar0ASD4BDyKC4hl4DwHqDrmvjoxWKZigVnAbn5H1owvm4CxCPdb0HQDehwNYMJpla5+M2tPmPARzhtYuwpHow==
 
+compressible@^2.0.6:
+  version "2.0.18"
+  resolved "https://registry.yarnpkg.com/compressible/-/compressible-2.0.18.tgz#af53cca6b070d4c3c0750fbd77286a6d7cc46fba"
+  integrity sha512-AF3r7P5dWxL8MxyITRMlORQNaOA2IkAFaTr4k7BUumjPtRpGDTZpl0Pb1XCO6JeDCBdp126Cgs9sMxqSjgYyRg==
+  dependencies:
+    mime-db ">= 1.43.0 < 2"
+
 concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
@@ -623,6 +630,11 @@ fresh@~0.5.2:
   resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
   integrity sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=
 
+fs-readdir-recursive@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/fs-readdir-recursive/-/fs-readdir-recursive-1.1.0.tgz#e32fc030a2ccee44a6b5371308da54be0b397d27"
+  integrity sha512-GNanXlVr2pf02+sPN40XN8HG+ePaNcvM0q5mZBd668Obwb0yD5GiUbZOFgwn8kGMY6I3mdyDJzieUy3PTYyTRA==
+
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -698,16 +710,6 @@ http-errors@1.7.3, http-errors@^1.3.1, http-errors@^1.6.3, http-errors@~1.7.2:
     statuses ">= 1.5.0 < 2"
     toidentifier "1.0.0"
 
-http-errors@~1.6.2:
-  version "1.6.3"
-  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
-  integrity sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=
-  dependencies:
-    depd "~1.1.2"
-    inherits "2.0.3"
-    setprototypeof "1.1.0"
-    statuses ">= 1.4.0 < 2"
-
 "http-parser-js@>=0.4.0 <0.4.11":
   version "0.4.10"
   resolved "https://registry.yarnpkg.com/http-parser-js/-/http-parser-js-0.4.10.tgz#92c9c1374c35085f75db359ec56cc257cbb93fa4"
@@ -761,11 +763,6 @@ inherits@2, inherits@2.0.4, inherits@~2.0.3:
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
   integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
 
-inherits@2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
-  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
-
 inquirer@^7.0.0:
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-7.0.0.tgz#9e2b032dde77da1db5db804758b8fea3a970519a"
@@ -934,15 +931,16 @@ koa-router@^7.4.0:
     path-to-regexp "^1.1.1"
     urijs "^1.19.0"
 
-koa-send@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/koa-send/-/koa-send-5.0.0.tgz#5e8441e07ef55737734d7ced25b842e50646e7eb"
-  integrity sha512-90ZotV7t0p3uN9sRwW2D484rAaKIsD8tAVtypw/aBU+ryfV+fR2xrcAwhI8Wl6WRkojLUs/cB9SBSCuIb+IanQ==
+koa-static-cache@^5.1.2:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/koa-static-cache/-/koa-static-cache-5.1.2.tgz#49b592007157b164f5e9df5b276e305c8be5016a"
+  integrity sha512-EhnVBF9mkbp7bijDz2+yg5KxXFsUYUQCOqGy78bAhJp2PRMCMYV7nG/f7k9/liw+43u2Uow0v6ZZ025qBCYsGw==
   dependencies:
+    compressible "^2.0.6"
     debug "^3.1.0"
-    http-errors "^1.6.3"
+    fs-readdir-recursive "^1.0.0"
+    mime-types "^2.1.8"
     mz "^2.7.0"
-    resolve-path "^1.4.0"
 
 koa@^2.11.0:
   version "2.11.0"
@@ -1047,6 +1045,11 @@ mime-db@1.42.0:
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.42.0.tgz#3e252907b4c7adb906597b4b65636272cf9e7bac"
   integrity sha512-UbfJCR4UAVRNgMpfImz05smAXK7+c+ZntjaA26ANtkXLlOe947Aag5zdIcKQULAiF9Cq4WxBi9jUs5zkA84bYQ==
 
+mime-db@1.43.0, "mime-db@>= 1.43.0 < 2":
+  version "1.43.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.43.0.tgz#0a12e0502650e473d735535050e7c8f4eb4fae58"
+  integrity sha512-+5dsGEEovYbT8UY9yD7eE4XTc4UwJ1jBYlgaQQF38ENsKR3wj/8q8RFZrF9WIZpB2V1ArTVFUva8sAul1NzRzQ==
+
 mime-types@^2.1.18, mime-types@~2.1.24:
   version "2.1.25"
   resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.25.tgz#39772d46621f93e2a80a856c53b86a62156a6437"
@@ -1054,6 +1057,13 @@ mime-types@^2.1.18, mime-types@~2.1.24:
   dependencies:
     mime-db "1.42.0"
 
+mime-types@^2.1.8:
+  version "2.1.26"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.26.tgz#9c921fc09b7e149a65dfdc0da4d20997200b0a06"
+  integrity sha512-01paPWYgLrkqAyrlDorC1uDwl2p3qZT7yl806vW7DvDoxwXi46jsjFbg+WdwotBIk6/MbEhO/dh5aZ5sNj/dWQ==
+  dependencies:
+    mime-db "1.43.0"
+
 mimic-fn@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-2.1.0.tgz#7ed2c2ccccaf84d3ffcb7a69b57711fc2083401b"
@@ -1227,7 +1237,7 @@ parseurl@^1.3.2:
   resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"
   integrity sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==
 
-path-is-absolute@1.0.1, path-is-absolute@^1.0.0:
+path-is-absolute@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
   integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
@@ -1327,14 +1337,6 @@ resolve-from@^4.0.0:
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-4.0.0.tgz#4abcd852ad32dd7baabfe9b40e00a36db5f392e6"
   integrity sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g==
 
-resolve-path@^1.4.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/resolve-path/-/resolve-path-1.4.0.tgz#c4bda9f5efb2fce65247873ab36bb4d834fe16f7"
-  integrity sha1-xL2p9e+y/OZSR4c6s2u02DT+Fvc=
-  dependencies:
-    http-errors "~1.6.2"
-    path-is-absolute "1.0.1"
-
 restore-cursor@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-3.1.0.tgz#39f67c54b3a7a58cea5236d95cf0034239631f7e"
@@ -1396,11 +1398,6 @@ semver@^6.1.2:
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
   integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
 
-setprototypeof@1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.0.tgz#d0bd85536887b6fe7c0d818cb962d9d91c54e656"
-  integrity sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ==
-
 setprototypeof@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.1.tgz#7e95acb24aa92f5885e0abef5ba131330d4ae683"
@@ -1453,7 +1450,7 @@ sprintf-js@~1.0.2:
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
   integrity sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=
 
-"statuses@>= 1.4.0 < 2", "statuses@>= 1.5.0 < 2", statuses@^1.5.0:
+"statuses@>= 1.5.0 < 2", statuses@^1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
   integrity sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=