diff --git a/build.gradle b/build.gradle
index 7a36395a..4bc530a4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -78,16 +78,16 @@ allprojects {
     compileJava.options.encoding = 'UTF-8'
     
     eclipse {
-       /* 第一次时请注释这段eclipse设置，可能报错，设置工程字符集*/
+        /*设置工程字符集*/
         jdt  {
-            File f = file('.settings/org.eclipse.core.resources.prefs')
-            f.write('eclipse.preferences.version=1\n')
-            f.append('encoding/<project>=UTF-8') //use UTF-8
+            File prefs = file('.settings/org.eclipse.core.resources.prefs')
+            if (prefs.exists()) {
+                prefs.write('eclipse.preferences.version=1\n')
+                prefs.append('encoding/<project>=UTF-8') //use UTF-8
+            }
         }
     }
-    
-
-    
+     
 }
 
 buildscript {
diff --git a/config/build_docker.gradle b/config/build_docker.gradle
index e76bab02..1251b9c2 100644
--- a/config/build_docker.gradle
+++ b/config/build_docker.gradle
@@ -46,18 +46,17 @@ allprojects {
 	targetCompatibility	= 1.8
 	compileJava.options.encoding = 'UTF-8'
 	
-	/*
 	eclipse {
-		第一次时请注释这段eclipse设置，可能报错，设置工程字符集
-		jdt  {
-		    File f = file('.settings/org.eclipse.core.resources.prefs')
-		    f.write('eclipse.preferences.version=1\n')
-		    f.append('encoding/<project>=UTF-8') //use UTF-8
-		}
+		/*设置工程字符集*/
+        jdt  {
+            File prefs = file('.settings/org.eclipse.core.resources.prefs')
+            if (prefs.exists()) {
+                prefs.write('eclipse.preferences.version=1\n')
+                prefs.append('encoding/<project>=UTF-8') //use UTF-8
+            }
+        }
 	}
-	*/
-
-    
+	 
 }
 
 buildscript {
diff --git a/config/build_jar.gradle b/config/build_jar.gradle
index 2be7c0b2..0c2c34ea 100644
--- a/config/build_jar.gradle
+++ b/config/build_jar.gradle
@@ -46,18 +46,16 @@ allprojects {
 	targetCompatibility	= 1.8
 	compileJava.options.encoding = 'UTF-8'
 	
-	/*
-	eclipse {
-		第一次时请注释这段eclipse设置，可能报错，设置工程字符集
-		jdt  {
-		    File f = file('.settings/org.eclipse.core.resources.prefs')
-		    f.write('eclipse.preferences.version=1\n')
-		    f.append('encoding/<project>=UTF-8') //use UTF-8
-		}
-	}
-	*/
-
-    
+    eclipse {
+        /*设置工程字符集*/
+        jdt  {
+            File prefs = file('.settings/org.eclipse.core.resources.prefs')
+            if (prefs.exists()) {
+                prefs.write('eclipse.preferences.version=1\n')
+                prefs.append('encoding/<project>=UTF-8') //use UTF-8
+            }
+        }
+    } 
 }
 
 buildscript {
diff --git a/config/build_standard.gradle b/config/build_standard.gradle
index b5116077..0796ca8c 100644
--- a/config/build_standard.gradle
+++ b/config/build_standard.gradle
@@ -79,16 +79,15 @@ allprojects {
     compileJava.options.encoding = 'UTF-8'
     
     eclipse {
-       /* 第一次时请注释这段eclipse设置，可能报错，设置工程字符集
+        /*设置工程字符集*/
         jdt  {
-            File f = file('.settings/org.eclipse.core.resources.prefs')
-            f.write('eclipse.preferences.version=1\n')
-            f.append('encoding/<project>=UTF-8') //use UTF-8
-        }*/
-    }
-    
-
-    
+            File prefs = file('.settings/org.eclipse.core.resources.prefs')
+            if (prefs.exists()) {
+                prefs.write('eclipse.preferences.version=1\n')
+                prefs.append('encoding/<project>=UTF-8') //use UTF-8
+            }
+        }
+    }   
 }
 
 buildscript {