更新 'SrcJuDataCache.js'

SrcJuDataCache.js

@@ -2,8 +2,10 @@ function cacheData(data){
     let jkdata = data;
     let cfilename = jkdata.name+'-'+jkdata.type;
     let cachefile = `hiker://files/cache/_fileSelect_${cfilename}.json`;
+    if (!fileExist(cachefile)) {
         writeFile(cachefile,JSON.stringify(jkdata));
     }
+}
 
 function readData(cfilename,datatype){
     let cachefile = `hiker://files/cache/_fileSelect_${cfilename}.json`;