安卓打包失败，求大神。。。。

manifest.plus.plugins.ad.dcloud;
Buildfile: 安装包制作目录build.xml

Copy_Ressource:
[echo] Copy app resource.
[echo]
[echo] assets
[echo]

init:
[echo] Init output directory.....
[echo]

dirs:
[echo]
[echo] Creating output directories if needed...
[echo]
[mkdir] Created dir: 安装包制作目录bin/classes

resource-src:
[echo]
[echo] Generating R.java / Manifest.java from the resources...
[echo]
[echo]
[echo] outdir-r path: src
[echo]
[echo]
[echo] aapt path: /srv/android/sdk/build-tools/25.0.3/aapt
[echo]

aidl:
[echo]
[echo] Compiling aidl files into Java classes...
[echo]

compile:
[echo]
[echo] outdir-classes = bin/classes
[echo] android-jar = /srv/android/sdk/platforms/android-21/android.jar
[echo] external = libs
[echo]
[javac] 安装包制作目录build.xml:185: warning: 'includeantruntime' was not set, defaulting to build.sysclasspath=last; set to false for repeatable builds
[javac] Compiling 89 source files to 安装包制作目录bin/classes
[javac]
[javac] WARNING
[javac]
[javac] The -source switch defaults to 1.8 in JDK 1.8.
[javac] If you specify -target 1.6 you now must also specify -source 1.6.
[javac] Ant will implicitly add -source 1.6 for you. Please change your build file.
[javac] Note: Some input files use or override a deprecated API.
[javac] Note: Recompile with -Xlint:deprecation for details.
[javac] Note: Some input files use unchecked or unsafe operations.
[javac] Note: Recompile with -Xlint:unchecked for details.

dex:
[echo]
[echo] Converting compiled files and external libraries into bin/classes.dex...
[echo]

package-res:

package-res-and-assets:
[echo]
[echo] Packaging resources and assets...
[echo]
[exec] assets/apps/H5B8FD1DD/www/img/mb1.png: error: Invalid filename. Unable to add.BUILD FAILED
安装包制作目录build.xml:254: The following error occurred while executing this line:
安装包制作目录build.xml:210: exec returned: 1

Total time: 1 minute 39 seconds
BuildConfigure Failed 20015

BuildConfigure Failed 20015 Invalid filename