diff --git a/EUExFileMgr/EUExFileMgr/EUExFileMgr.h b/EUExFileMgr/EUExFileMgr/EUExFileMgr.h
index fd31878..a7e7e1a 100755
--- a/EUExFileMgr/EUExFileMgr/EUExFileMgr.h
+++ b/EUExFileMgr/EUExFileMgr/EUExFileMgr.h
@@ -26,6 +26,9 @@
 #define F_FILE_EXIST		0
 #define F_FILE_NOT_EXIST	1
 
+#define KUEXIS_NSString(x) ([x isKindOfClass:[NSString class]] && x.length>0)
+#define KUEXIS_NSMutableArray(x) ([x isKindOfClass:[NSMutableArray class]] && [x count]>0)
+
 @interface EUExFileMgr : EUExBase {
 	NSMutableDictionary *fobjDict;
 	FileExplorer *fExplorer;
diff --git a/EUExFileMgr/EUExFileMgr/EUExFileMgr.m b/EUExFileMgr/EUExFileMgr/EUExFileMgr.m
index 1e3738a..bd91de2 100755
--- a/EUExFileMgr/EUExFileMgr/EUExFileMgr.m
+++ b/EUExFileMgr/EUExFileMgr/EUExFileMgr.m
@@ -322,23 +322,46 @@ -(void)isFileExistByID:(NSMutableArray *)inArguments{
         [self jsFailedWithOpId:0 errorCode:1090901 errorDes:UEX_ERROR_DESCRIBE_ARGS];
     }
 }
-//11.文件浏览器
 
--(void)explorer:(NSMutableArray *)inArguments {
-    NSString *inPath = [inArguments objectAtIndex:0];
-    if (inPath == nil) {
-        [super jsFailedWithOpId:0 errorCode:1091001 errorDes:UEX_ERROR_DESCRIBE_ARGS];
+/**
+ * @brief 文件浏览器
+ * @param 协议路径(必须为文件夹路径),若不传或者参数为空,默认为Documents文件
+ *
+ **/
+
+- (void)explorer:(NSMutableArray *)inArguments {
+    
+    NSString *inPath = @"";
+    
+    if (KUEXIS_NSMutableArray(inArguments)) {
+        
+        inPath = [inArguments objectAtIndex:0];
+        
     }
-    if ([inPath length]==0) {
-        inPath = [File getDocumentsPath:@""];
-    }else {
-        inPath =[super absPath:inPath];
+    
+    if ([inPath length] == 0) {
+        
+        inPath = [File getDocumentsPath:inPath];
+        
+    } else {
+        
+        inPath = [super absPath:inPath];
+        
+    }
+    
+    if (KUEXIS_NSString(inPath) && [File fileisDirectoy:inPath] ) {
+        
+        fExplorer = [[FileExplorer alloc] init];
+        [fExplorer openWithEuex:self rootPath:inPath];
+        
+    } else {
+        
+        [super jsFailedWithOpId:0 errorCode:1091001 errorDes:UEX_ERROR_DESCRIBE_ARGS];
+        
     }
-    //open a file explorer
-    fExplorer = [[FileExplorer alloc] init];
-    [fExplorer openWithEuex:self rootPath:inPath];
     
 }
+
 //multiExplorer
 -(void)multiExplorer:(NSMutableArray*)inArguments{
     NSString * inPath = nil;
diff --git a/EUExFileMgr/uexFileMgr/info.xml b/EUExFileMgr/uexFileMgr/info.xml
index bebc8fd..8d5c0b1 100755
--- a/EUExFileMgr/uexFileMgr/info.xml
+++ b/EUExFileMgr/uexFileMgr/info.xml
@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <uexplugins>
     <plugin
-        uexName="uexFileMgr" version="3.0.11" build="11">
-        <info>11:新增cbWriteFile回调方法，优化RC4加密</info>
+        uexName="uexFileMgr" version="3.0.12" build="12">
+         <info>12:uexFileMgr.explorer()接口增加参数保护,增加对路径为文件或文件夹的判断,和Android逻辑保持统一.</info>
+        <build>11:新增cbWriteFile回调方法，优化RC4加密</build>
         <build>10:解决多选文件打开浏览器显示空白问题</build>
         <build>9:新增方法uexFileMgr.renameFile 重命名文件</build>
         <build>8:修复uexFileMgr.multiExplorer(path)中path参数无效的BUG</build>